{"product_id":"spool-4g63-94mm-crankshaft","title":"Spool Mitsubishi 4G63 Stroker Crankshaft - 94mm","description":"\u003cp\u003eMitsubishi 4G63 94mm 4340 Stroker Crankshaft \u003c\/p\u003e\r\n\r\n\u003cp\u003eWith the increased cubic capacity from the 94mm stroker crank, increases in torque and low to mid range power are achievable. Boost will come on earlier in the rev range and peak power will increase.\u003c\/p\u003e\r\n\u003cp\u003eFull Forged 4340 - Nitrided, Balanced and Full Counter Weight Crankshaft\u003c\/p\u003e\r\n\u003cp\u003eThe 4G63 engine in its factory form has a 85mm bore and 88mm stroke, giving a displacement of 1997cc.\u003c\/p\u003e\r\n\u003cp\u003eUsing the 94mm stroker crank, standard length conrods and custom pistons, the displacement is increased as follows:\u003c\/p\u003e\r\n\u003cul\u003e\r\n    \u003cli\u003e85.5 mm bore and the 94 mm stroker crank = 2159cc \/ 162cc increase\u003c\/li\u003e\r\n    \u003cli\u003e86 mm bore and the 94 mm stroker crank = 2184cc \/ 187cc increase\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cstrong\u003eNote: If conrod to block interference occurs, slight clearancing may be required.\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e4340 Grade Billet Steel\u003c\/li\u003e\r\n\u003cli\u003eFully Counter Weighted\u003c\/li\u003e\r\n\u003cli\u003eNitrided Finish\u003c\/li\u003e\r\n\u003cli\u003eFully Balanced\u003c\/li\u003e\r\n\u003cli\u003eStroke 94mm\u003c\/li\u003e\r\n\u003ch2\u003eEngine build fitment\u003c\/h2\u003e\n\u003cp\u003e4G63. Match the selected dimensions, engine generation and rotating assembly specification before machining or assembly.\u003c\/p\u003e\n\u003ch2\u003eInstallation and BBT workshop support\u003c\/h2\u003e\n\u003cp\u003eMeasure journal and thrust clearances, check block clearance and balance the complete rotating assembly. Confirm the damper, crank trigger and flywheel arrangement with your engine builder.\u003c\/p\u003e\n\u003cp\u003eBuilt by Boost \u0026amp; Tune is an authorised Spool Imports dealer and can assist with component selection, engine assembly and tuning requirements for your build.\u003c\/p\u003e\n\u003c\/ul\u003e","brand":"Spool","offers":[{"title":"Default Title","offer_id":67599359180867,"sku":"SPL-CS-4G63-94MM","price":2500.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0659\/4883\/files\/spool-6b303303a8c6-untitled-7-1_ee1d8472-a040-4b63-a900-f8f59fb6c8b3.png?v=1790919000","url":"https:\/\/builtbyboostandtune.com.au\/products\/spool-4g63-94mm-crankshaft","provider":"BUILT BY BOOST AND TUNE","version":"1.0","type":"link"}