{"title":"Piston and Rings","description":"","products":[{"product_id":"unicorn-japan-oversize-piston-set-72-5φ-fits-gsx1100s","title":"UNICORN JAPAN OVERSIZE PISTON SET 72.5Φ fits GSX1100S","description":"\u003cp data-start=\"62\" data-end=\"146\"\u003eLimited-production forged piston upgrade for the legendary air-cooled Suzuki engine.\u003c\/p\u003e\n\u003cp data-start=\"148\" data-end=\"389\"\u003eDeveloped over an extended period by Unicorn Japan, this original oversize piston kit brings back a size that was previously discontinued by Suzuki—allowing GSX1100S owners to restore and rebuild engines with modern forged piston technology.\u003c\/p\u003e\n\u003cp data-start=\"391\" data-end=\"486\"\u003eManufactured using advanced forging methods for improved strength, durability, and performance.\u003c\/p\u003e\n\u003chr data-start=\"488\" data-end=\"491\"\u003e\n\u003cp data-start=\"493\" data-end=\"575\"\u003e🔧 \u003cstrong data-start=\"496\" data-end=\"515\"\u003ePRODUCT DETAILS\u003c\/strong\u003e\u003cbr data-start=\"515\" data-end=\"518\"\u003eBrand: Unicorn Japan\u003cbr data-start=\"538\" data-end=\"541\"\u003eType: Oversize Forged Piston Set\u003c\/p\u003e\n\u003cp data-start=\"577\" data-end=\"595\"\u003eSize:\u003cbr data-start=\"582\" data-end=\"585\"\u003e✔️ 72.5Φ\u003c\/p\u003e\n\u003cp data-start=\"597\" data-end=\"702\"\u003eIncludes:\u003cbr data-start=\"606\" data-end=\"609\"\u003e✔️ Pistons\u003cbr data-start=\"619\" data-end=\"622\"\u003e✔️ Piston Rings\u003cbr data-start=\"637\" data-end=\"640\"\u003e✔️ Piston Pins\u003cbr data-start=\"654\" data-end=\"657\"\u003e✔️ Circlips\u003cbr data-start=\"668\" data-end=\"671\"\u003e✔️ Complete set for 1 vehicle\u003c\/p\u003e\n\u003cp data-start=\"704\" data-end=\"910\"\u003e✔️ High-quality forged piston construction\u003cbr data-start=\"746\" data-end=\"749\"\u003e✔️ Limited edition production\u003cbr data-start=\"778\" data-end=\"781\"\u003e✔️ Modern manufacturing technology\u003cbr data-start=\"815\" data-end=\"818\"\u003e✔️ Designed for air-cooled Suzuki engines\u003cbr data-start=\"859\" data-end=\"862\"\u003e✔️ Ideal for rebuilds and restoration projects\u003c\/p\u003e\n\u003chr data-start=\"912\" data-end=\"915\"\u003e\n\u003cp data-start=\"917\" data-end=\"943\"\u003e🔥 \u003cstrong data-start=\"920\" data-end=\"943\"\u003eWHY FORGED PISTONS?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"945\" data-end=\"1038\"\u003eForged pistons offer increased strength and durability compared to conventional cast pistons.\u003c\/p\u003e\n\u003cp data-start=\"1040\" data-end=\"1273\"\u003eBenefits include:\u003cbr data-start=\"1057\" data-end=\"1060\"\u003e✔️ Improved heat resistance\u003cbr data-start=\"1087\" data-end=\"1090\"\u003e✔️ Increased strength under high load\u003cbr data-start=\"1127\" data-end=\"1130\"\u003e✔️ Better durability for tuned engines\u003cbr data-start=\"1168\" data-end=\"1171\"\u003e✔️ Reliable performance under demanding conditions\u003cbr data-start=\"1221\" data-end=\"1224\"\u003e✔️ Ideal for restoration and performance builds\u003c\/p\u003e\n\u003cp data-start=\"1275\" data-end=\"1335\"\u003eA premium solution for keeping classic Suzuki engines alive.\u003c\/p\u003e\n\u003chr data-start=\"1337\" data-end=\"1340\"\u003e\n\u003cp data-start=\"1342\" data-end=\"1361\"\u003e🏍️ \u003cstrong data-start=\"1346\" data-end=\"1361\"\u003eFITS MODELS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1363\" data-end=\"1378\"\u003eSUZUKI GSX1100S\u003c\/p\u003e\n\u003cp data-start=\"1380\" data-end=\"1442\"\u003e(Always confirm compatibility and bore sizing before purchase)\u003c\/p\u003e\n\u003chr data-start=\"1444\" data-end=\"1447\"\u003e\n\u003cp data-start=\"1449\" data-end=\"1615\"\u003e⚠️ \u003cstrong data-start=\"1452\" data-end=\"1471\"\u003eIMPORTANT NOTES\u003c\/strong\u003e\u003cbr data-start=\"1471\" data-end=\"1474\"\u003eLimited edition product\u003cbr data-start=\"1497\" data-end=\"1500\"\u003eInstruction manual, if included, will be in Japanese\u003cbr data-start=\"1552\" data-end=\"1555\"\u003eSpecifications may change from manufacturer without notice\u003c\/p\u003e\n\u003cp data-start=\"1617\" data-end=\"1676\"\u003eProfessional engine machining and installation recommended.\u003c\/p\u003e\n\u003chr data-start=\"1678\" data-end=\"1681\"\u003e\n\u003cp data-start=\"1683\" data-end=\"1700\"\u003e⚔️ \u003cstrong data-start=\"1686\" data-end=\"1700\"\u003eFINAL WORD\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1702\" data-end=\"1730\"\u003eFORGED • RESTORE • PERFORM\u003c\/p\u003e\n\u003cp data-start=\"1732\" data-end=\"1791\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eClassic Suzuki performance supported by modern engineering.\u003c\/p\u003e","brand":"Unicorn","offers":[{"title":"Default Title","offer_id":53117178085655,"sku":"37771","price":1995.8,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0700\/9343\/9255\/files\/Untitled-2-2026-05-10T124924.232.png?v=1778374173"},{"product_id":"jb-power-bito-r-d-cosworth-piston-kit-fits-gsx1100s-katana","title":"JB POWER (BITO R\u0026D) COSWORTH PISTON KIT fits GSX1100S KATANA","description":"\u003cp data-start=\"69\" data-end=\"111\"\u003eSerious displacement. Serious performance.\u003c\/p\u003e\n\u003cp data-start=\"113\" data-end=\"376\"\u003eDeveloped by JB Power (BITO R\u0026amp;D) in collaboration with COSWORTH, this high-performance forged piston kit transforms the legendary GSX1100S Katana into a powerful 1294cc air-cooled machine with increased torque, stronger acceleration, and race-inspired durability.\u003c\/p\u003e\n\u003cp data-start=\"378\" data-end=\"461\"\u003eBuilt with a focus on rigidity, lightweight performance, and long-term reliability.\u003c\/p\u003e\n\u003chr data-start=\"463\" data-end=\"466\"\u003e\n\u003cp data-start=\"468\" data-end=\"551\"\u003e🔧 \u003cstrong data-start=\"471\" data-end=\"490\"\u003ePRODUCT DETAILS\u003c\/strong\u003e\u003cbr data-start=\"490\" data-end=\"493\"\u003eBrand: JB Power (BITO R\u0026amp;D)\u003cbr data-start=\"519\" data-end=\"522\"\u003eSeries: COSWORTH Piston Kit\u003c\/p\u003e\n\u003cp data-start=\"553\" data-end=\"672\"\u003eSpecifications:\u003cbr data-start=\"568\" data-end=\"571\"\u003e✔️ Bore Size: 79mm\u003cbr data-start=\"589\" data-end=\"592\"\u003e✔️ Displacement: 1294cc\u003cbr data-start=\"615\" data-end=\"618\"\u003e✔️ Compression Ratio: 11.0:1\u003cbr data-start=\"646\" data-end=\"649\"\u003e✔️ Pin Diameter: 18mm\u003c\/p\u003e\n\u003cp data-start=\"674\" data-end=\"788\"\u003eIncludes:\u003cbr data-start=\"683\" data-end=\"686\"\u003e✔️ Forged Pistons\u003cbr data-start=\"703\" data-end=\"706\"\u003e✔️ Piston Pins\u003cbr data-start=\"720\" data-end=\"723\"\u003e✔️ Piston Rings\u003cbr data-start=\"738\" data-end=\"741\"\u003e✔️ Circlips\u003cbr data-start=\"752\" data-end=\"755\"\u003e✔️ Head Gasket\u003cbr data-start=\"769\" data-end=\"772\"\u003e✔️ Base Gasket\u003c\/p\u003e\n\u003cp data-start=\"790\" data-end=\"1016\"\u003e✔️ High-rigidity forged piston design\u003cbr data-start=\"827\" data-end=\"830\"\u003e✔️ Ultra-lightweight construction\u003cbr data-start=\"863\" data-end=\"866\"\u003e✔️ High durability under extreme conditions\u003cbr data-start=\"909\" data-end=\"912\"\u003e✔️ Precision-engineered performance upgrade\u003cbr data-start=\"955\" data-end=\"958\"\u003e✔️ Designed for large-capacity air-cooled Suzuki engines\u003c\/p\u003e\n\u003chr data-start=\"1018\" data-end=\"1021\"\u003e\n\u003cp data-start=\"1023\" data-end=\"1042\"\u003e🔥 \u003cstrong data-start=\"1026\" data-end=\"1042\"\u003eWHY UPGRADE?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1044\" data-end=\"1208\"\u003eThis COSWORTH piston kit is engineered for riders wanting stronger midrange torque, increased displacement, and improved engine response from the GSX1100S platform.\u003c\/p\u003e\n\u003cp data-start=\"1210\" data-end=\"1458\"\u003eBenefits include:\u003cbr data-start=\"1227\" data-end=\"1230\"\u003e✔️ Increased engine capacity to 1294cc\u003cbr data-start=\"1268\" data-end=\"1271\"\u003e✔️ Stronger acceleration and torque delivery\u003cbr data-start=\"1315\" data-end=\"1318\"\u003e✔️ Lightweight piston design reduces rotational mass\u003cbr data-start=\"1370\" data-end=\"1373\"\u003e✔️ Improved high-RPM durability\u003cbr data-start=\"1404\" data-end=\"1407\"\u003e✔️ Ideal for performance street and custom builds\u003c\/p\u003e\n\u003cp data-start=\"1460\" data-end=\"1533\"\u003eA premium big-bore solution developed with serious engineering behind it.\u003c\/p\u003e\n\u003chr data-start=\"1535\" data-end=\"1538\"\u003e\n\u003cp data-start=\"1540\" data-end=\"1559\"\u003e🏍️ \u003cstrong data-start=\"1544\" data-end=\"1559\"\u003eFITS MODELS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1561\" data-end=\"1583\"\u003eSUZUKI GSX1100S KATANA\u003c\/p\u003e\n\u003cp data-start=\"1585\" data-end=\"1632\"\u003e⚠️ Liner replacement required for installation.\u003c\/p\u003e\n\u003cp data-start=\"1634\" data-end=\"1680\"\u003e(Always confirm compatibility before purchase)\u003c\/p\u003e\n\u003chr data-start=\"1682\" data-end=\"1685\"\u003e\n\u003cp data-start=\"1687\" data-end=\"2045\"\u003e⚠️ \u003cstrong data-start=\"1690\" data-end=\"1709\"\u003eIMPORTANT NOTES\u003c\/strong\u003e\u003cbr data-start=\"1709\" data-end=\"1712\"\u003eProfessional engine machining and installation strongly recommended\u003cbr data-start=\"1779\" data-end=\"1782\"\u003eCylinder liner replacement required\u003cbr data-start=\"1817\" data-end=\"1820\"\u003eImages are for reference only\u003cbr data-start=\"1849\" data-end=\"1852\"\u003eThis item cannot be cancelled, returned, or exchanged after order placement\u003cbr data-start=\"1927\" data-end=\"1930\"\u003eInstruction manual, if included, will be in Japanese\u003cbr data-start=\"1982\" data-end=\"1985\"\u003eSpecifications may change from manufacturer without notice\u003c\/p\u003e\n\u003chr data-start=\"2047\" data-end=\"2050\"\u003e\n\u003cp data-start=\"2052\" data-end=\"2069\"\u003e⚔️ \u003cstrong data-start=\"2055\" data-end=\"2069\"\u003eFINAL WORD\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2071\" data-end=\"2118\"\u003eBIG BORE • LIGHTWEIGHT • COSWORTH PERFORMANCE\u003c\/p\u003e\n\u003cp data-start=\"2120\" data-end=\"2185\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eBuilt for riders wanting more from the legendary Katana platform.\u003c\/p\u003e","brand":"JB Power","offers":[{"title":"Default Title","offer_id":53117197910295,"sku":"10-30-003","price":1932.8,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0700\/9343\/9255\/files\/Untitled-2-2026-05-10T125953.087.png?v=1778374802"},{"product_id":"jb-power-bito-r-d-cosworth-piston-kit-fits-gsx1100s-katana-1","title":"JB POWER (BITO R\u0026D) COSWORTH PISTON KIT fits GSX1100S KATANA","description":"\u003cp data-start=\"69\" data-end=\"135\"\u003eLegendary air-cooled performance—reborn with COSWORTH engineering.\u003c\/p\u003e\n\u003cp data-start=\"137\" data-end=\"372\"\u003eThe JB Power (BITO R\u0026amp;D) COSWORTH Piston Kit is a premium forged big-bore upgrade developed for the GSX1100S Katana, delivering increased displacement, stronger torque, and race-inspired durability for serious Suzuki performance builds.\u003c\/p\u003e\n\u003cp data-start=\"374\" data-end=\"462\"\u003eDesigned with a focus on rigidity, lightweight construction, precision, and reliability.\u003c\/p\u003e\n\u003chr data-start=\"464\" data-end=\"467\"\u003e\n\u003cp data-start=\"469\" data-end=\"552\"\u003e🔧 \u003cstrong data-start=\"472\" data-end=\"491\"\u003ePRODUCT DETAILS\u003c\/strong\u003e\u003cbr data-start=\"491\" data-end=\"494\"\u003eBrand: JB Power (BITO R\u0026amp;D)\u003cbr data-start=\"520\" data-end=\"523\"\u003eSeries: COSWORTH Piston Kit\u003c\/p\u003e\n\u003cp data-start=\"554\" data-end=\"673\"\u003eSpecifications:\u003cbr data-start=\"569\" data-end=\"572\"\u003e✔️ Bore Size: 75mm\u003cbr data-start=\"590\" data-end=\"593\"\u003e✔️ Displacement: 1168cc\u003cbr data-start=\"616\" data-end=\"619\"\u003e✔️ Compression Ratio: 11.0:1\u003cbr data-start=\"647\" data-end=\"650\"\u003e✔️ Pin Diameter: 18mm\u003c\/p\u003e\n\u003cp data-start=\"675\" data-end=\"789\"\u003eIncludes:\u003cbr data-start=\"684\" data-end=\"687\"\u003e✔️ Forged Pistons\u003cbr data-start=\"704\" data-end=\"707\"\u003e✔️ Piston Pins\u003cbr data-start=\"721\" data-end=\"724\"\u003e✔️ Piston Rings\u003cbr data-start=\"739\" data-end=\"742\"\u003e✔️ Circlips\u003cbr data-start=\"753\" data-end=\"756\"\u003e✔️ Head Gasket\u003cbr data-start=\"770\" data-end=\"773\"\u003e✔️ Base Gasket\u003c\/p\u003e\n\u003cp data-start=\"791\" data-end=\"1009\"\u003e✔️ High-rigidity forged piston design\u003cbr data-start=\"828\" data-end=\"831\"\u003e✔️ Ultra-lightweight construction\u003cbr data-start=\"864\" data-end=\"867\"\u003e✔️ Precision-engineered performance upgrade\u003cbr data-start=\"910\" data-end=\"913\"\u003e✔️ Increased displacement and torque\u003cbr data-start=\"949\" data-end=\"952\"\u003e✔️ Built for high-performance air-cooled Suzuki engines\u003c\/p\u003e\n\u003chr data-start=\"1011\" data-end=\"1014\"\u003e\n\u003cp data-start=\"1016\" data-end=\"1035\"\u003e🔥 \u003cstrong data-start=\"1019\" data-end=\"1035\"\u003eWHY UPGRADE?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1037\" data-end=\"1125\"\u003eDeveloped for riders wanting stronger engine performance without sacrificing durability.\u003c\/p\u003e\n\u003cp data-start=\"1127\" data-end=\"1368\"\u003eBenefits include:\u003cbr data-start=\"1144\" data-end=\"1147\"\u003e✔️ Increased engine capacity to 1168cc\u003cbr data-start=\"1185\" data-end=\"1188\"\u003e✔️ Improved throttle response\u003cbr data-start=\"1217\" data-end=\"1220\"\u003e✔️ Stronger midrange and acceleration\u003cbr data-start=\"1257\" data-end=\"1260\"\u003e✔️ Reduced piston weight for improved engine response\u003cbr data-start=\"1313\" data-end=\"1316\"\u003e✔️ Excellent durability under high-load conditions\u003c\/p\u003e\n\u003cp data-start=\"1370\" data-end=\"1452\"\u003eA premium upgrade solution for restoration, custom, and performance Katana builds.\u003c\/p\u003e\n\u003chr data-start=\"1454\" data-end=\"1457\"\u003e\n\u003cp data-start=\"1459\" data-end=\"1478\"\u003e🏍️ \u003cstrong data-start=\"1463\" data-end=\"1478\"\u003eFITS MODELS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1480\" data-end=\"1502\"\u003eSUZUKI GSX1100S KATANA\u003c\/p\u003e\n\u003cp data-start=\"1504\" data-end=\"1549\"\u003e⚠️ Cylinder boring required for installation.\u003c\/p\u003e\n\u003cp data-start=\"1551\" data-end=\"1597\"\u003e(Always confirm compatibility before purchase)\u003c\/p\u003e\n\u003chr data-start=\"1599\" data-end=\"1602\"\u003e\n\u003cp data-start=\"1604\" data-end=\"1977\"\u003e⚠️ \u003cstrong data-start=\"1607\" data-end=\"1626\"\u003eIMPORTANT NOTES\u003c\/strong\u003e\u003cbr data-start=\"1626\" data-end=\"1629\"\u003eProfessional engine machining and installation recommended\u003cbr data-start=\"1687\" data-end=\"1690\"\u003eCylinder boring required\u003cbr data-start=\"1714\" data-end=\"1717\"\u003eImages are for reference only and may differ from actual product\u003cbr data-start=\"1781\" data-end=\"1784\"\u003eThis item cannot be cancelled, returned, or exchanged after order placement\u003cbr data-start=\"1859\" data-end=\"1862\"\u003eInstruction manual, if included, will be in Japanese\u003cbr data-start=\"1914\" data-end=\"1917\"\u003eSpecifications may change from manufacturer without notice\u003c\/p\u003e\n\u003chr data-start=\"1979\" data-end=\"1982\"\u003e\n\u003cp data-start=\"1984\" data-end=\"2001\"\u003e⚔️ \u003cstrong data-start=\"1987\" data-end=\"2001\"\u003eFINAL WORD\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2003\" data-end=\"2050\"\u003eBIG BORE • LIGHTWEIGHT • COSWORTH PERFORMANCE\u003c\/p\u003e\n\u003cp data-start=\"2052\" data-end=\"2119\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eBuilt for riders demanding more from the legendary Katana platform.\u003c\/p\u003e","brand":"JB Power","offers":[{"title":"Default Title","offer_id":53117245817111,"sku":"110-30-001","price":3296.55,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0700\/9343\/9255\/files\/Untitled-2-2026-05-10T130433.162.png?v=1778375086"},{"product_id":"jb-power-bito-r-d-cosworth-piston-kit-fits-gsx1100s-katana-2","title":"JB POWER (BITO R\u0026D) COSWORTH PISTON KIT fits GSX1100S KATANA","description":"\u003cp data-start=\"69\" data-end=\"142\"\u003eLarge-capacity air-cooled performance engineered with COSWORTH precision.\u003c\/p\u003e\n\u003cp data-start=\"144\" data-end=\"411\"\u003eThe JB Power (BITO R\u0026amp;D) COSWORTH Piston Kit is a premium forged big-bore upgrade developed for the legendary GSX1100S Katana, increasing displacement to an impressive 1258cc while delivering outstanding durability, throttle response, and high-performance reliability.\u003c\/p\u003e\n\u003cp data-start=\"413\" data-end=\"509\"\u003eBuilt for serious Suzuki performance enthusiasts demanding more from the iconic Katana platform.\u003c\/p\u003e\n\u003chr data-start=\"511\" data-end=\"514\"\u003e\n\u003cp data-start=\"516\" data-end=\"599\"\u003e🔧 \u003cstrong data-start=\"519\" data-end=\"538\"\u003ePRODUCT DETAILS\u003c\/strong\u003e\u003cbr data-start=\"538\" data-end=\"541\"\u003eBrand: JB Power (BITO R\u0026amp;D)\u003cbr data-start=\"567\" data-end=\"570\"\u003eSeries: COSWORTH Piston Kit\u003c\/p\u003e\n\u003cp data-start=\"601\" data-end=\"720\"\u003eSpecifications:\u003cbr data-start=\"616\" data-end=\"619\"\u003e✔️ Bore Size: 78mm\u003cbr data-start=\"637\" data-end=\"640\"\u003e✔️ Displacement: 1258cc\u003cbr data-start=\"663\" data-end=\"666\"\u003e✔️ Compression Ratio: 11.0:1\u003cbr data-start=\"694\" data-end=\"697\"\u003e✔️ Pin Diameter: 18mm\u003c\/p\u003e\n\u003cp data-start=\"722\" data-end=\"836\"\u003eIncludes:\u003cbr data-start=\"731\" data-end=\"734\"\u003e✔️ Forged Pistons\u003cbr data-start=\"751\" data-end=\"754\"\u003e✔️ Piston Pins\u003cbr data-start=\"768\" data-end=\"771\"\u003e✔️ Piston Rings\u003cbr data-start=\"786\" data-end=\"789\"\u003e✔️ Circlips\u003cbr data-start=\"800\" data-end=\"803\"\u003e✔️ Head Gasket\u003cbr data-start=\"817\" data-end=\"820\"\u003e✔️ Base Gasket\u003c\/p\u003e\n\u003cp data-start=\"838\" data-end=\"1056\"\u003e✔️ High-rigidity forged piston construction\u003cbr data-start=\"881\" data-end=\"884\"\u003e✔️ Ultra-lightweight design\u003cbr data-start=\"911\" data-end=\"914\"\u003e✔️ Precision-engineered performance upgrade\u003cbr data-start=\"957\" data-end=\"960\"\u003e✔️ Increased torque and acceleration\u003cbr data-start=\"996\" data-end=\"999\"\u003e✔️ Built for high-performance air-cooled Suzuki engines\u003c\/p\u003e\n\u003chr data-start=\"1058\" data-end=\"1061\"\u003e\n\u003cp data-start=\"1063\" data-end=\"1082\"\u003e🔥 \u003cstrong data-start=\"1066\" data-end=\"1082\"\u003eWHY UPGRADE?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1084\" data-end=\"1238\"\u003eThis COSWORTH-developed piston kit is engineered to maximise displacement and performance while maintaining reliability under demanding riding conditions.\u003c\/p\u003e\n\u003cp data-start=\"1240\" data-end=\"1490\"\u003eBenefits include:\u003cbr data-start=\"1257\" data-end=\"1260\"\u003e✔️ Increased engine capacity to 1258cc\u003cbr data-start=\"1298\" data-end=\"1301\"\u003e✔️ Stronger torque throughout the RPM range\u003cbr data-start=\"1344\" data-end=\"1347\"\u003e✔️ Improved acceleration and engine response\u003cbr data-start=\"1391\" data-end=\"1394\"\u003e✔️ Lightweight piston design reduces rotating mass\u003cbr data-start=\"1444\" data-end=\"1447\"\u003e✔️ Excellent durability for tuned engines\u003c\/p\u003e\n\u003cp data-start=\"1492\" data-end=\"1567\"\u003ePerfect for high-performance street, restoration, and custom Katana builds.\u003c\/p\u003e\n\u003chr data-start=\"1569\" data-end=\"1572\"\u003e\n\u003cp data-start=\"1574\" data-end=\"1593\"\u003e🏍️ \u003cstrong data-start=\"1578\" data-end=\"1593\"\u003eFITS MODELS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1595\" data-end=\"1617\"\u003eSUZUKI GSX1100S KATANA\u003c\/p\u003e\n\u003cp data-start=\"1619\" data-end=\"1666\"\u003e⚠️ Liner replacement required for installation.\u003c\/p\u003e\n\u003cp data-start=\"1668\" data-end=\"1714\"\u003e(Always confirm compatibility before purchase)\u003c\/p\u003e\n\u003chr data-start=\"1716\" data-end=\"1719\"\u003e\n\u003cp data-start=\"1721\" data-end=\"2114\"\u003e⚠️ \u003cstrong data-start=\"1724\" data-end=\"1743\"\u003eIMPORTANT NOTES\u003c\/strong\u003e\u003cbr data-start=\"1743\" data-end=\"1746\"\u003eProfessional engine machining and installation strongly recommended\u003cbr data-start=\"1813\" data-end=\"1816\"\u003eCylinder liner replacement required\u003cbr data-start=\"1851\" data-end=\"1854\"\u003eImages are for reference only and may differ from actual product\u003cbr data-start=\"1918\" data-end=\"1921\"\u003eThis item cannot be cancelled, returned, or exchanged after order placement\u003cbr data-start=\"1996\" data-end=\"1999\"\u003eInstruction manual, if included, will be in Japanese\u003cbr data-start=\"2051\" data-end=\"2054\"\u003eSpecifications may change from manufacturer without notice\u003c\/p\u003e\n\u003chr data-start=\"2116\" data-end=\"2119\"\u003e\n\u003cp data-start=\"2121\" data-end=\"2138\"\u003e⚔️ \u003cstrong data-start=\"2124\" data-end=\"2138\"\u003eFINAL WORD\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2140\" data-end=\"2194\"\u003eBIG BORE • COSWORTH ENGINEERING • KATANA PERFORMANCE\u003c\/p\u003e\n\u003cp data-start=\"2196\" data-end=\"2253\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eBuilt for riders chasing serious air-cooled Suzuki power.\u003c\/p\u003e","brand":"JB Power","offers":[{"title":"Default Title","offer_id":53117289988375,"sku":"110-30-002","price":2281.3,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0700\/9343\/9255\/files\/Untitled-2-2026-05-10T130433.162.png?v=1778375086"},{"product_id":"je-pistons-1500cc-forged-piston-kit-fits-gs1100-gsx1100s-katana","title":"JE PISTONS 1500cc FORGED PISTON KIT fits GS1100 \/ GSX1100S KATANA","description":"\u003cp data-start=\"74\" data-end=\"121\"\u003eMassive displacement. Proven racing technology.\u003c\/p\u003e\n\u003cp data-start=\"123\" data-end=\"411\"\u003eThe JE Pistons 1500cc Forged Piston Kit is built for serious air-cooled Suzuki performance builds, transforming the GSX1100 platform into a high-compression 1500cc powerhouse using race-proven forged piston technology trusted across NASCAR, NHRA drag racing, IndyCar, and AMA competition.\u003c\/p\u003e\n\u003cp data-start=\"413\" data-end=\"509\"\u003eDesigned for extreme strength, durability, and high-load performance under demanding conditions.\u003c\/p\u003e\n\u003chr data-start=\"511\" data-end=\"514\"\u003e\n\u003cp data-start=\"516\" data-end=\"595\"\u003e🔧 \u003cstrong data-start=\"519\" data-end=\"538\"\u003ePRODUCT DETAILS\u003c\/strong\u003e\u003cbr data-start=\"538\" data-end=\"541\"\u003eBrand: JE Pistons\u003cbr data-start=\"558\" data-end=\"561\"\u003eType: Forged Big Bore Piston Kit\u003c\/p\u003e\n\u003cp data-start=\"597\" data-end=\"732\"\u003eSpecifications:\u003cbr data-start=\"612\" data-end=\"615\"\u003e✔️ Bore Size: 85mm\u003cbr data-start=\"633\" data-end=\"636\"\u003e✔️ Oversize: +13mm over standard bore\u003cbr data-start=\"673\" data-end=\"676\"\u003e✔️ Displacement: 1500cc\u003cbr data-start=\"699\" data-end=\"702\"\u003e✔️ Compression Ratio: 12.5:1\u003c\/p\u003e\n\u003cp data-start=\"734\" data-end=\"836\"\u003eIncludes:\u003cbr data-start=\"743\" data-end=\"746\"\u003e✔️ Forged Pistons\u003cbr data-start=\"763\" data-end=\"766\"\u003e✔️ Piston Rings\u003cbr data-start=\"781\" data-end=\"784\"\u003e✔️ Piston Pins\u003cbr data-start=\"798\" data-end=\"801\"\u003e✔️ Head Gasket (except HD models)\u003c\/p\u003e\n\u003cp data-start=\"838\" data-end=\"1047\"\u003e✔️ High-strength forged construction\u003cbr data-start=\"874\" data-end=\"877\"\u003e✔️ Lightweight race-inspired design\u003cbr data-start=\"912\" data-end=\"915\"\u003e✔️ Precision-machined piston profile\u003cbr data-start=\"951\" data-end=\"954\"\u003e✔️ Optimised combustion chamber design\u003cbr data-start=\"992\" data-end=\"995\"\u003e✔️ Built for extreme high-performance applications\u003c\/p\u003e\n\u003chr data-start=\"1049\" data-end=\"1052\"\u003e\n\u003cp data-start=\"1054\" data-end=\"1076\"\u003e🔥 \u003cstrong data-start=\"1057\" data-end=\"1076\"\u003eWHY JE PISTONS?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1078\" data-end=\"1218\"\u003eJE Pistons has over 60 years of forged piston engineering experience and is trusted in some of the world’s most demanding racing categories.\u003c\/p\u003e\n\u003cp data-start=\"1220\" data-end=\"1504\"\u003eBenefits include:\u003cbr data-start=\"1237\" data-end=\"1240\"\u003e✔️ Exceptional high-temperature strength\u003cbr data-start=\"1280\" data-end=\"1283\"\u003e✔️ Proven reliability under extreme load\u003cbr data-start=\"1323\" data-end=\"1326\"\u003e✔️ Improved engine response and durability\u003cbr data-start=\"1368\" data-end=\"1371\"\u003e✔️ Lightweight forged construction\u003cbr data-start=\"1405\" data-end=\"1408\"\u003e✔️ Precision-machined combustion design\u003cbr data-start=\"1447\" data-end=\"1450\"\u003e✔️ Suitable for high-compression performance engines\u003c\/p\u003e\n\u003cp data-start=\"1506\" data-end=\"1592\"\u003eNearly 100% of NASCAR teams and many NHRA Top Fuel teams rely on JE piston technology.\u003c\/p\u003e\n\u003chr data-start=\"1594\" data-end=\"1597\"\u003e\n\u003cp data-start=\"1599\" data-end=\"1632\"\u003e⚙️ \u003cstrong data-start=\"1602\" data-end=\"1632\"\u003eADVANCED FORGED TECHNOLOGY\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1634\" data-end=\"1765\"\u003eJE forged pistons are manufactured using A2618 aluminum alloy—an advanced material known for outstanding high-temperature strength.\u003c\/p\u003e\n\u003cp data-start=\"1767\" data-end=\"1884\"\u003eEach piston is:\u003cbr\u003e✔️ Hot forged\u003cbr data-start=\"1796\" data-end=\"1799\"\u003e✔️ Heat treated\u003cbr data-start=\"1814\" data-end=\"1817\"\u003e✔️ Precision-machined using specialised elliptical CNC technology\u003c\/p\u003e\n\u003cp data-start=\"1886\" data-end=\"2006\"\u003eThis allows tighter piston clearances, improved reliability, and better engine performance under operating temperatures.\u003c\/p\u003e\n\u003chr data-start=\"2008\" data-end=\"2011\"\u003e\n\u003cp data-start=\"2013\" data-end=\"2032\"\u003e🏍️ \u003cstrong data-start=\"2017\" data-end=\"2032\"\u003eFITS MODELS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2034\" data-end=\"2096\"\u003eSUZUKI GS1100 (1981–1983)\u003cbr data-start=\"2059\" data-end=\"2062\"\u003eSUZUKI GSX1100S KATANA (1981–1983)\u003c\/p\u003e\n\u003cp data-start=\"2098\" data-end=\"2144\"\u003e(Always confirm compatibility before purchase)\u003c\/p\u003e\n\u003chr data-start=\"2146\" data-end=\"2149\"\u003e\n\u003cp data-start=\"2151\" data-end=\"2428\"\u003e⚠️ \u003cstrong data-start=\"2154\" data-end=\"2173\"\u003eIMPORTANT NOTES\u003c\/strong\u003e\u003cbr data-start=\"2173\" data-end=\"2176\"\u003eProfessional engine machining and installation strongly recommended\u003cbr data-start=\"2243\" data-end=\"2246\"\u003eImages are for reference only and may differ from actual product\u003cbr data-start=\"2310\" data-end=\"2313\"\u003eInstruction manual, if included, will be in Japanese\u003cbr data-start=\"2365\" data-end=\"2368\"\u003eSpecifications may change from manufacturer without notice\u003c\/p\u003e\n\u003cp data-start=\"2430\" data-end=\"2509\"\u003eHigh-compression engine tuning may require additional supporting modifications.\u003c\/p\u003e\n\u003chr data-start=\"2511\" data-end=\"2514\"\u003e\n\u003cp data-start=\"2516\" data-end=\"2533\"\u003e⚔️ \u003cstrong data-start=\"2519\" data-end=\"2533\"\u003eFINAL WORD\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2535\" data-end=\"2566\"\u003e1500cc • FORGED • RACE-PROVEN\u003c\/p\u003e\n\u003cp data-start=\"2568\" data-end=\"2645\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eBuilt for riders pushing the limits of classic air-cooled Suzuki performance.\u003c\/p\u003e","brand":"JE Pistons","offers":[{"title":"Default Title","offer_id":53117304373527,"sku":"JCS 190680","price":2144.3,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0700\/9343\/9255\/files\/Untitled-2-2026-05-10T132755.869.png?v=1778376488"},{"product_id":"je-pistons-1260cc-forged-piston-kit-fits-gs1100-gsx1100s-katana","title":"JE PISTONS 1260cc FORGED PISTON KIT fits GS1100 \/ GSX1100S KATANA","description":"\u003cp data-start=\"94\" data-end=\"141\"\u003eMassive displacement. Proven racing technology.\u003c\/p\u003e\n\u003cp data-start=\"143\" data-end=\"427\"\u003eThe JE Pistons 1260cc Forged Piston Kit is built for serious air-cooled Suzuki performance builds, transforming the GS1100 platform into a high-performance 1260cc machine using race-proven forged piston technology trusted across NASCAR, NHRA drag racing, IndyCar, and AMA competition.\u003c\/p\u003e\n\u003cp data-start=\"429\" data-end=\"547\"\u003eDesigned for exceptional strength, durability, and high-load performance under demanding riding and racing conditions.\u003c\/p\u003e\n\u003cp data-start=\"549\" data-end=\"571\"\u003e━━━━━━━━━━━━━━━━━━━━━━\u003c\/p\u003e\n\u003cp data-start=\"573\" data-end=\"591\"\u003e🔧 PRODUCT DETAILS\u003c\/p\u003e\n\u003cp data-start=\"593\" data-end=\"647\"\u003eBrand: JE Pistons\u003cbr data-start=\"610\" data-end=\"613\"\u003eType: Forged Big Bore Piston Kit\u003c\/p\u003e\n\u003cp data-start=\"649\" data-end=\"813\"\u003eSpecifications:\u003cbr data-start=\"664\" data-end=\"667\"\u003e✔️ Bore Size: 78mm\u003cbr data-start=\"685\" data-end=\"688\"\u003e✔️ Oversize: +6mm over standard bore\u003cbr data-start=\"724\" data-end=\"727\"\u003e✔️ Standard Bore Size: 72mm\u003cbr data-start=\"754\" data-end=\"757\"\u003e✔️ Displacement: 1260cc\u003cbr data-start=\"780\" data-end=\"783\"\u003e✔️ Compression Ratio: 10.5:1\u003c\/p\u003e\n\u003cp data-start=\"815\" data-end=\"917\"\u003eIncludes:\u003cbr data-start=\"824\" data-end=\"827\"\u003e✔️ Forged Pistons\u003cbr data-start=\"844\" data-end=\"847\"\u003e✔️ Piston Rings\u003cbr data-start=\"862\" data-end=\"865\"\u003e✔️ Piston Pins\u003cbr data-start=\"879\" data-end=\"882\"\u003e✔️ Head Gasket (except HD models)\u003c\/p\u003e\n\u003cp data-start=\"919\" data-end=\"1126\"\u003e✔️ High-strength forged construction\u003cbr data-start=\"955\" data-end=\"958\"\u003e✔️ Lightweight race-inspired design\u003cbr data-start=\"993\" data-end=\"996\"\u003e✔️ Precision-machined piston profile\u003cbr data-start=\"1032\" data-end=\"1035\"\u003e✔️ Optimised combustion chamber design\u003cbr data-start=\"1073\" data-end=\"1076\"\u003e✔️ Built for high-performance air-cooled engines\u003c\/p\u003e\n\u003cp data-start=\"1128\" data-end=\"1150\"\u003e━━━━━━━━━━━━━━━━━━━━━━\u003c\/p\u003e\n\u003cp data-start=\"1152\" data-end=\"1170\"\u003e🔥 WHY JE PISTONS?\u003c\/p\u003e\n\u003cp data-start=\"1172\" data-end=\"1312\"\u003eJE Pistons has over 60 years of forged piston engineering experience and is trusted in some of the world’s most demanding racing categories.\u003c\/p\u003e\n\u003cp data-start=\"1314\" data-end=\"1602\"\u003eBenefits include:\u003cbr data-start=\"1331\" data-end=\"1334\"\u003e✔️ Exceptional high-temperature strength\u003cbr data-start=\"1374\" data-end=\"1377\"\u003e✔️ Proven reliability under extreme load\u003cbr data-start=\"1417\" data-end=\"1420\"\u003e✔️ Improved engine response and durability\u003cbr data-start=\"1462\" data-end=\"1465\"\u003e✔️ Lightweight forged construction\u003cbr data-start=\"1499\" data-end=\"1502\"\u003e✔️ Precision-machined combustion design\u003cbr data-start=\"1541\" data-end=\"1544\"\u003e✔️ Suitable for high-performance street and drag engines\u003c\/p\u003e\n\u003cp data-start=\"1604\" data-end=\"1690\"\u003eNearly 100% of NASCAR teams and many NHRA Top Fuel teams rely on JE piston technology.\u003c\/p\u003e\n\u003cp data-start=\"1692\" data-end=\"1714\"\u003e━━━━━━━━━━━━━━━━━━━━━━\u003c\/p\u003e\n\u003cp data-start=\"1716\" data-end=\"1745\"\u003e⚙️ ADVANCED FORGED TECHNOLOGY\u003c\/p\u003e\n\u003cp data-start=\"1747\" data-end=\"1880\"\u003eJE forged pistons are manufactured using A2618 aluminum alloy — an advanced material known for outstanding high-temperature strength.\u003c\/p\u003e\n\u003cp data-start=\"1882\" data-end=\"2001\"\u003eEach piston is:\u003cbr data-start=\"1897\" data-end=\"1900\"\u003e✔️ Hot forged\u003cbr data-start=\"1913\" data-end=\"1916\"\u003e✔️ Heat treated\u003cbr data-start=\"1931\" data-end=\"1934\"\u003e✔️ Precision-machined using specialised elliptical CNC technology\u003c\/p\u003e\n\u003cp data-start=\"2003\" data-end=\"2123\"\u003eThis allows tighter piston clearances, improved reliability, and better engine performance under operating temperatures.\u003c\/p\u003e\n\u003cp data-start=\"2125\" data-end=\"2147\"\u003e━━━━━━━━━━━━━━━━━━━━━━\u003c\/p\u003e\n\u003cp data-start=\"2149\" data-end=\"2164\"\u003e🏍️ FITS MODELS\u003c\/p\u003e\n\u003cp data-start=\"2166\" data-end=\"2230\"\u003eSUZUKI GS1100 (1981–1983)\u003cbr data-start=\"2191\" data-end=\"2194\"\u003eSUZUKI GSX1100S KATANA (1981–1983)\u003c\/p\u003e\n\u003cp data-start=\"2232\" data-end=\"2278\"\u003e(Always confirm compatibility before purchase)\u003c\/p\u003e\n\u003cp data-start=\"2280\" data-end=\"2302\"\u003e━━━━━━━━━━━━━━━━━━━━━━\u003c\/p\u003e\n\u003cp data-start=\"2304\" data-end=\"2322\"\u003e⚠️ IMPORTANT NOTES\u003c\/p\u003e\n\u003cp data-start=\"2324\" data-end=\"2576\"\u003eProfessional engine machining and installation strongly recommended\u003cbr data-start=\"2391\" data-end=\"2394\"\u003eImages are for reference only and may differ from actual product\u003cbr data-start=\"2458\" data-end=\"2461\"\u003eInstruction manual, if included, will be in Japanese\u003cbr data-start=\"2513\" data-end=\"2516\"\u003eSpecifications may change from manufacturer without notice\u003c\/p\u003e\n\u003cp data-start=\"2578\" data-end=\"2652\"\u003ePerformance engine tuning may require additional supporting modifications.\u003c\/p\u003e\n\u003cp data-start=\"2654\" data-end=\"2676\"\u003e━━━━━━━━━━━━━━━━━━━━━━\u003c\/p\u003e\n\u003cp data-start=\"2678\" data-end=\"2691\"\u003e⚔️ FINAL WORD\u003c\/p\u003e\n\u003cp data-start=\"2693\" data-end=\"2722\"\u003e1260cc • FORGED • RACE-PROVEN\u003c\/p\u003e\n\u003cp data-start=\"2724\" data-end=\"2801\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eBuilt for riders pushing the limits of classic air-cooled Suzuki performance.\u003c\/p\u003e","brand":"JE Pistons","offers":[{"title":"Default Title","offer_id":53117334028567,"sku":"JCS 128324","price":1750.35,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0700\/9343\/9255\/files\/Untitled-2-2026-05-10T132755.869.png?v=1778376488"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0700\/9343\/9255\/collections\/6982e659-9a33-4ea2-8c76-47fd8300f1e5.png?v=1778373873","url":"https:\/\/bushidomotorcycles.nz\/collections\/piston-and-rings.oembed","provider":"Bushido Motorcycles","version":"1.0","type":"link"}