{"product_id":"spool-4g63-100mm-crankshaft","title":"Spool Mitsubishi 4G63 Stroker Crankshaft - 100mm","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eMitsubishi 4G63 100mm stroker crankshaft.\u003c\/p\u003e\r\n\r\n\u003cp\u003eWith the increased cubic capacity from the 100mm stroker crank, increases of up to 50% 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\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 100 mm stroker crank, std length conrods and custom pistons, the displacement is increased as follows:\u003c\/p\u003e\r\n\u003cul\u003e\r\n    \u003cli\u003e85.5mm bore and the 100mm stroker crank = 2297cc \/ 300cc increase\u003c\/li\u003e\r\n    \u003cli\u003e86 mm bore and the 100 mm stroker crank = 2324cc \/ 327cc increase\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cstrong\u003eNote: If conrod to block interference occurs, slight clearancing maybe required.\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eCrank Weighs 16kg\u003c\/li\u003e\r\n\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 100mm\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":67599359148099,"sku":"SPL-4G63-100-Crank","price":2500.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0659\/4883\/files\/spool-d2de02e91a51-untitled-7_a7c2dee5-1d81-47f5-98b7-e94cbc3bd789.png?v=1790918974","url":"https:\/\/builtbyboostandtune.com.au\/products\/spool-4g63-100mm-crankshaft","provider":"BUILT BY BOOST AND TUNE","version":"1.0","type":"link"}