{"product_id":"spool-nissan-sr20det-91mm-stroker-crankshaft","title":"Spool Nissan SR20 91mm Stroker Crankshaft","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eNissan SR20 91mm stroker crankshaft.\u003c\/p\u003e\r\n\r\n\r\n\u003cp\u003eRated at 1500HP plus\u003c\/p\u003e\r\n\u003cp\u003eWith the increased cubic capacity from the 91mmstroker crank, big 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\u003eThe SR20DET engine in its factory form has a 86mm bore and 86mm stroke, giving a displacement of 1998cc.\u003c\/p\u003e\r\n\u003cp\u003eUsing the 91 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\u003e86.5mm bore and the 91 mm stroker crank = 2139cc \/ 110cc increase\u003c\/li\u003e\r\n\u003cli\u003e87 mm bore and the 91 mm stroker crank = 2164cc \/ 133cc increase\u003c\/li\u003e\r\n\u003cli\u003e90mm bore ( sleeved ) = 2316cc \/ 318cc increase\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch2\u003eEngine build fitment\u003c\/h2\u003e\u003cp\u003eSR20. 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\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\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":"Default Title","offer_id":67599359377475,"sku":"SPL-SR20-Crank-EN","price":2800.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0659\/4883\/files\/spool-b0d8d1fcfb8d-sr20_4b2b4133-acef-4a02-9fef-c276d7ab9bfb.png?v=1790918977","url":"https:\/\/builtbyboostandtune.com.au\/products\/spool-nissan-sr20det-91mm-stroker-crankshaft","provider":"BUILT BY BOOST AND TUNE","version":"1.0","type":"link"}