{"product_id":"spool-2-4litre-4g63-stroker-kit","title":"Spool 2.4Litre 4G63 Stroker Kit","description":"\u003ch3\u003eThe Spool Mitsubishi 4G63 Stroker Kit Includes:\u003c\/h3\u003e\r\n\u003cul\u003e\r\n    \u003cli\u003eSPOOL 4340 100mm Stroker Crankshaft\u003c\/li\u003e\r\n    \u003cli\u003eSPOOL H Beam Forged Conrods\u003c\/li\u003e\r\n    \u003cli\u003eCP Pistons with rings pins and locks\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003eMitsubishi 4G63 100mm 4340 Stroker Crankshaft \u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The 4G63 engine in its factory form has a 85mm bore and 88mm stroke, giving a displacement of 1997cc.\r\n\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eUsing the 100mm stroker crank, std length conrods and custom pistons, the displacement is increased as follows:\u003c\/strong\u003e\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 100mm stroker crank = 2324cc \/ 327cc increase\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e If conrod to block interference occurs , slight clearancing maybe required\u003c\/p\u003e\u003ch2\u003eAvailable options\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePiston Diameter: +0.5mm; +1mm; STD (Special Order)\u003c\/li\u003e\n\u003cli\u003ePiston Comp Ratio: 8.5:1(7 bolt), 9:1(EVO 8-9); 9:1(7 bolt), 9.5:1(EVO 8-9); 9.5:1(7 bolt), 10.5:1(EVO 8-9)\u003c\/li\u003e\n\u003cli\u003ePiston Pin Upgrades: No Pin Upgrade; 9310 0.200\" Pins; 9310 0.250\" Pins\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eEngine build fitment\u003c\/h2\u003e\u003cp\u003e4G63. Match the selected dimensions, engine generation and rotating assembly specification before machining or assembly.\u003c\/p\u003e\u003ch2\u003eInstallation and BBT workshop support\u003c\/h2\u003e\u003cp\u003eConfirm block and head configuration, finished bore size, bearing clearances, compression ratio and crank trigger compatibility. Block clearancing and rotating assembly balancing may be required.\u003c\/p\u003e\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","brand":"Spool","offers":[{"title":"+0.5mm \/ 8.5:1(7 bolt), 9:1(EVO 8-9) \/ No Pin Upgrade","offer_id":67601385619523,"sku":"BBT-SP-15F52DF29649BAB3","price":4415.0,"currency_code":"AUD","in_stock":true},{"title":"+0.5mm \/ 9.5:1(7 bolt), 10.5:1(EVO 8-9) \/ No Pin Upgrade","offer_id":67601385652291,"sku":"BBT-SP-30ED9B10A663DF7F","price":4415.0,"currency_code":"AUD","in_stock":true},{"title":"+0.5mm \/ 9:1(7 bolt), 9.5:1(EVO 8-9) \/ No Pin Upgrade","offer_id":67601385685059,"sku":"BBT-SP-5219D9258839722E","price":4415.0,"currency_code":"AUD","in_stock":true},{"title":"+1mm \/ 8.5:1(7 bolt), 9:1(EVO 8-9) \/ No Pin 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