{"product_id":"spool-ca18-en40b-crankshaft","title":"Spool Nissan CA18 Stroker EN40B Billet Crankshaft","description":"\u003cp\u003eNissan CA18DET 87.6mm Billet \u003cstrong\u003eEN40B \u003c\/strong\u003eStroker Crankshaft\u003c\/p\u003e\r\n\u003cp\u003eThis is a true billet crankshaft machined from Billet \u003cstrong\u003eEN40B \u003c\/strong\u003ecore stock (not a cast forging blank that is final machined).\u003c\/p\u003e\r\n\u003cp\u003eEach crank is machined from core stock \u003cstrong\u003eEN40B \u003c\/strong\u003eon a CNC machine, then Nitrided and final ground.\u003c\/p\u003e\r\n\u003cp\u003eWith the increased cubic capacity from the 87.6mm m stroker 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 CA18DET engine in its factory form has a 83mm bore and 83.6mm stroke, giving a displacement of 1809cc.\u003c\/p\u003e\r\n\u003cp\u003eUsing the 87.6 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\u003e83.5mm bore and the 87.6mm stroker crank = 1919cc \/ 110cc increase\u003c\/li\u003e\r\n\u003cli\u003e84 mm bore and the 87.6 mm stroker crank = 1942cc \/ 133cc increase\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cstrong\u003eCrank Weighs 18kg4340 Grade Billet SteelFully Counter WeightedNitrided FinishFully BalancedStroke 87.6mm\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eEngine build fitment\u003c\/h2\u003e\u003cp\u003eCA18. 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":67599359279171,"sku":"SPL-CA18-Crank","price":2800.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0659\/4883\/files\/spool-c371e3127270-untitled-13_a7c37a0a-90d8-416c-87c3-2afb82f6fe52.png?v=1790918976","url":"https:\/\/builtbyboostandtune.com.au\/products\/spool-ca18-en40b-crankshaft","provider":"BUILT BY BOOST AND TUNE","version":"1.0","type":"link"}