{"product_id":"t2-racing-vhm-head-kit-nsr250r-mc18-1988-1989","title":"T2 Racing VHM Head Kit – NSR250R MC18 (1988–1989)","description":"\u003cp data-start=\"161\" data-end=\"184\"\u003eBuilt for combustion.\u003c\/p\u003e\n\u003cp data-start=\"186\" data-end=\"376\"\u003eThe T2 Racing VHM head kit is designed to unlock the full potential of the MC18, delivering stronger mid-to-high RPM performance through refined combustion and improved cooling efficiency.\u003c\/p\u003e\n\u003cp data-start=\"378\" data-end=\"488\"\u003eBased on the proven VHM design, this system is engineered for race-level output with serviceability in mind.\u003c\/p\u003e\n\u003chr data-start=\"490\" data-end=\"493\"\u003e\n\u003cp data-start=\"495\" data-end=\"608\"\u003e\u003cstrong data-start=\"495\" data-end=\"506\"\u003eFitment\u003c\/strong\u003e\u003cbr data-start=\"506\" data-end=\"509\"\u003e• NSR250R MC18 (1988–1989)\u003cbr data-start=\"535\" data-end=\"538\"\u003e\u003cem data-start=\"538\" data-end=\"606\"\u003eFor 1989 models, partial stud bolt change required (use 1988 spec)\u003c\/em\u003e\u003c\/p\u003e\n\u003chr data-start=\"610\" data-end=\"613\"\u003e\n\u003cp data-start=\"615\" data-end=\"707\"\u003e\u003cstrong data-start=\"615\" data-end=\"627\"\u003eIncludes\u003c\/strong\u003e\u003cbr data-start=\"627\" data-end=\"630\"\u003e• Head outer ×2\u003cbr data-start=\"645\" data-end=\"648\"\u003e• Inserts ×2\u003cbr data-start=\"660\" data-end=\"663\"\u003e• O-rings (large \/ medium \/ small) ×2 each\u003c\/p\u003e\n\u003chr data-start=\"709\" data-end=\"712\"\u003e\n\u003cp data-start=\"714\" data-end=\"881\"\u003e\u003cstrong data-start=\"714\" data-end=\"724\"\u003eDesign\u003c\/strong\u003e\u003cbr data-start=\"724\" data-end=\"727\"\u003e• VHM-based cylinder head system\u003cbr data-start=\"759\" data-end=\"762\"\u003e• Optimised water duct design for improved cooling\u003cbr data-start=\"812\" data-end=\"815\"\u003e• Plug-centered combustion chamber\u003cbr data-start=\"849\" data-end=\"852\"\u003e• Replaceable insert design\u003c\/p\u003e\n\u003chr data-start=\"883\" data-end=\"886\"\u003e\n\u003cp data-start=\"888\" data-end=\"1034\"\u003e\u003cstrong data-start=\"888\" data-end=\"903\"\u003ePerformance\u003c\/strong\u003e\u003cbr data-start=\"903\" data-end=\"906\"\u003e• Increased mid-to-high RPM power\u003cbr data-start=\"939\" data-end=\"942\"\u003e• Improved torque delivery\u003cbr data-start=\"968\" data-end=\"971\"\u003e• Better heat management\u003cbr data-start=\"995\" data-end=\"998\"\u003e• Consistent combustion efficiency\u003c\/p\u003e\n\u003chr data-start=\"1036\" data-end=\"1039\"\u003e\n\u003cp data-start=\"1041\" data-end=\"1216\"\u003e\u003cstrong data-start=\"1041\" data-end=\"1055\"\u003eKey Points\u003c\/strong\u003e\u003cbr data-start=\"1055\" data-end=\"1058\"\u003e• Inserts can be replaced if damaged (detonation recovery)\u003cbr data-start=\"1116\" data-end=\"1119\"\u003e• Dome shape and volume finished to T2 Racing spec\u003cbr data-start=\"1169\" data-end=\"1172\"\u003e• Developed specifically for MC18 platform\u003c\/p\u003e\n\u003chr data-start=\"1218\" data-end=\"1221\"\u003e\n\u003cp data-start=\"1223\" data-end=\"1333\"\u003e\u003cstrong data-start=\"1223\" data-end=\"1236\"\u003eImportant\u003c\/strong\u003e\u003cbr data-start=\"1236\" data-end=\"1239\"\u003e• Titanium bolts, nuts, and cylinders not included\u003cbr data-start=\"1289\" data-end=\"1292\"\u003e• Installation image for reference only\u003c\/p\u003e\n\u003chr data-start=\"1335\" data-end=\"1338\"\u003e\n\u003cp data-start=\"1340\" data-end=\"1446\"\u003e\u003cstrong data-start=\"1340\" data-end=\"1349\"\u003eNotes\u003c\/strong\u003e\u003cbr data-start=\"1349\" data-end=\"1352\"\u003e• Specifications may change without notice\u003cbr data-start=\"1394\" data-end=\"1397\"\u003e• Instructions (if included) may be in Japanese\u003c\/p\u003e\n\u003chr data-start=\"1448\" data-end=\"1451\"\u003e\n\u003cp data-start=\"1453\" data-end=\"1481\" data-is-last-node=\"\" data-is-only-node=\"\"\u003ePower, shaped at the source.\u003c\/p\u003e","brand":"T2 Racing","offers":[{"title":"Default Title","offer_id":52808256061719,"sku":"VH-N25-006","price":1947.95,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0700\/9343\/9255\/files\/Untitled-2-2026-04-18T072624.202.png?v=1776453994","url":"https:\/\/bushidomotorcycles.nz\/products\/t2-racing-vhm-head-kit-nsr250r-mc18-1988-1989","provider":"Bushido Motorcycles","version":"1.0","type":"link"}