{"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","url":"https:\/\/bushidomotorcycles.nz\/products\/jb-power-bito-r-d-cosworth-piston-kit-fits-gsx1100s-katana-2","provider":"Bushido Motorcycles","version":"1.0","type":"link"}