{"product_id":"stage-4-camshaft-for-cummins-5-9l-6-7l-1989-2018","title":"Stage 4 Camshaft for Cummins 5.9L\/6.7L (1989-2018)","description":"\u003cp\u003eColt Cams proudly presents its advanced camshaft profiles optimized for the Cummins 5.9L \u0026amp; 6.7L B-series engines. Through extensive research and development, including dyno testing of over 50 combinations of durations, lobe separations, and installation centerlines, we have engineered superior performance grinds tailored for these applications.\u003c\/p\u003e\u003cp\u003eOur Stage 4 camshaft is similar to the Stage 3 \"Big Stick\" with a larger exhaust profile. Great for max flow on large single turbos and compound turbos. No modifications are required for installation, though we recommend upgraded valve springs for operation above 3,000 RPM.\u003c\/p\u003e\u003cp\u003eQuick Facts:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e181\/218 profile\u003c\/li\u003e\n\u003cli\u003eDrop-In installation on most engines\u003c\/li\u003e\n\u003cli\u003eGreat for large single turbos \u0026amp; compound turbos\u003c\/li\u003e\n\u003cli\u003eImproved fuel efficiency\u003c\/li\u003e\n\u003cli\u003eReduced smoke output\u003c\/li\u003e\n\u003cli\u003eDrop in exhaust gas temperatures (EGT)\u003c\/li\u003e\n\u003cli\u003eReliable performance up to 4,400 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e*Always check valve clearances before installing any camshaft\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":50168649842927,"sku":"CC181\/218","price":1005.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/6397\/9503\/files\/Screenshot_16-7-2026_1227_coltcams.com.jpg?v=1784217740","url":"https:\/\/www.screamindieselstore.com\/products\/stage-4-camshaft-for-cummins-5-9l-6-7l-1989-2018","provider":"Screamin' Diesel Store","version":"1.0","type":"link"}