{"product_id":"hot-rods-4mm-stroker-crankshaft-honda-trx250r-1987-1989","title":"Hot Rods +4mm Stroker Crankshaft – Honda TRX250R 1987–1989","description":"\u003ch1 data-start=\"123\" data-end=\"185\"\u003eHot Rods +4mm Stroker Crankshaft – Honda TRX250R (1987–1989)\u003c\/h1\u003e\n\u003cp data-start=\"187\" data-end=\"359\"\u003eUpgrade your TRX250R engine with this \u003cstrong data-start=\"225\" data-end=\"261\"\u003eHot Rods +4mm stroker crankshaft\u003c\/strong\u003e — precision-balanced and CNC machined for more torque, smoother revs, and reliable power gains.\u003c\/p\u003e\n\u003ch3 data-start=\"361\" data-end=\"382\"\u003e✅ What’s Included\u003c\/h3\u003e\n\u003cul data-start=\"383\" data-end=\"474\"\u003e\n\u003cli data-start=\"383\" data-end=\"429\"\u003e\n\u003cp data-start=\"385\" data-end=\"429\"\u003eComplete crankshaft assembly (+4mm stroke)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"430\" data-end=\"474\"\u003e\n\u003cp data-start=\"432\" data-end=\"474\"\u003eFactory assembled and trued to OEM specs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"476\" data-end=\"490\"\u003e📦 Fitment\u003c\/h3\u003e\n\u003cul data-start=\"491\" data-end=\"580\"\u003e\n\u003cli data-start=\"491\" data-end=\"524\"\u003e\n\u003cp data-start=\"493\" data-end=\"524\"\u003e\u003cstrong data-start=\"493\" data-end=\"522\"\u003eHonda TRX250R (1987–1989)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"525\" data-end=\"580\"\u003e\n\u003cp data-start=\"527\" data-end=\"580\"\u003eIncreases displacement to \u003cstrong data-start=\"553\" data-end=\"580\"\u003e260cc with stock piston\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"582\" data-end=\"604\"\u003e⚙️ Important Notes\u003c\/h3\u003e\n\u003cul data-start=\"605\" data-end=\"755\"\u003e\n\u003cli data-start=\"605\" data-end=\"670\"\u003e\n\u003cp data-start=\"607\" data-end=\"670\"\u003e\u003cstrong data-start=\"607\" data-end=\"654\"\u003eHead chamber must be machined 2.00mm deeper\u003c\/strong\u003e for clearance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"671\" data-end=\"708\"\u003e\n\u003cp data-start=\"673\" data-end=\"708\"\u003e\u003cstrong data-start=\"673\" data-end=\"706\"\u003eMain bearings sold separately\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"709\" data-end=\"755\"\u003e\n\u003cp data-start=\"711\" data-end=\"755\"\u003eNot rebuildable (uses shorter-than-OEM rods)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"757\" data-end=\"777\"\u003e🛡️ Key Features\u003c\/h3\u003e\n\u003cul data-start=\"778\" data-end=\"962\"\u003e\n\u003cli data-start=\"778\" data-end=\"829\"\u003e\n\u003cp data-start=\"780\" data-end=\"829\"\u003eAdds +4.00mm stroke for noticeable torque gains\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"830\" data-end=\"869\"\u003e\n\u003cp data-start=\"832\" data-end=\"869\"\u003eCNC-machined \u0026amp; dynamically balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"870\" data-end=\"920\"\u003e\n\u003cp data-start=\"872\" data-end=\"920\"\u003ePerfect match for Cylinder Works Big Bore kits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"921\" data-end=\"962\"\u003e\n\u003cp data-start=\"923\" data-end=\"962\"\u003eDrop-in OEM fit (no case mods required)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"964\" data-end=\"984\"\u003e💲 Price \u0026amp; SKU\u003c\/h3\u003e\n\u003cp data-start=\"985\" data-end=\"1109\"\u003e\u003cstrong data-start=\"985\" data-end=\"1002\"\u003eRetail Price:\u003c\/strong\u003e $521.95\u003cbr data-start=\"1010\" data-end=\"1013\"\u003e\u003cstrong data-start=\"1013\" data-end=\"1021\"\u003eSKU:\u003c\/strong\u003e 0921-0008 \/ 4107\u003cbr data-start=\"1038\" data-end=\"1041\"\u003e\u003cstrong data-start=\"1041\" data-end=\"1071\"\u003eEstimated Shipping Weight:\u003c\/strong\u003e 8.3 lbs\u003cbr data-start=\"1079\" data-end=\"1082\"\u003e\u003cstrong data-start=\"1082\" data-end=\"1109\"\u003eShips Next Business Day\u003c\/strong\u003e\u003c\/p\u003e","brand":"Parts Unlimited","offers":[{"title":"Default Title","offer_id":47259614314721,"sku":"0921-0008","price":563.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/hot-rods-4mm-stroker-crankshaft-honda-trx250r-19871989-1291481.jpg?v=1763566487","url":"https:\/\/dunegoonshop.com\/products\/hot-rods-4mm-stroker-crankshaft-honda-trx250r-1987-1989","provider":"Dune Goons","version":"1.0","type":"link"}