{"product_id":"comp-cams-camshaft-cb-47s-321-r12-for-chevrolet-big-block-engines-with-oiling-groove-part-number-11-747-14","title":"COMP Cams Camshaft CB 47S 321-R12 for Chevrolet Big Block Engines with Oiling Groove - Part Number 11-747-14","description":"BBC - 1965-66 396 c.i.d. models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order.\nFast Bracket, good heads, 13:1+ compression., 5000+ stall, small N2O.\nChevrolet GEN IV 396-454 Big Block Engines Originally Equipped with Flat Tappet Camshafts\n\u003cp\u003eThe COMP Cams CB 47S 321-R12 camshaft is designed specifically for Chevrolet GEN IV 396-454 big block engines, providing reliable performance for enthusiasts seeking increased horsepower and torque. This camshaft features an oiling groove in the rear journal, ensuring proper lubrication for 1965-66 396 cubic inch displacement models, which require this specific design. If your engine falls into this category, contact us at 1-800-999-0853 or through our support channels for assistance with ordering the correct camshaft. Built for high-performance applications, this part is ideal for engines equipped with fast brackets, high compression ratios exceeding 13:1, and stall speeds over 5,000 RPM, making it suitable for small nitrous oxide (N2O) setups. The camshaft's specifications are optimized for aggressive street and racing applications, delivering substantial power gains while maintaining engine reliability. Crafted by COMP Cams, a trusted name in performance camshafts, this part ensures quality and durability for your big block Chevrolet engine. Please note that this camshaft is not carburetor approved and requires carb acknowledgment during installation. It’s an ideal upgrade for those seeking to maximize their engine's potential with a proven, high-quality component.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eDesigned specifically for Chevrolet GEN IV 396-454 big block engines\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes oiling groove in the rear journal for 1965-66 396 ci models\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eOptimized for high compression ratios above 13:1\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSuitable for engines with 5000+ stall speeds and small N2O setups\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eManufactured by COMP Cams for durability and performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eRequires carb acknowledgment during installation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eNot carb approved, designed for performance applications\u003c\/li\u003e\u003c\/ul\u003e","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":55147588092209,"sku":"4390050","price":664.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0990\/2247\/1473\/files\/f15d61bf857a736a4c3f462c3fb8cecd_b23175f2-773b-4006-a9f5-0cc197e4c034.jpg?v=1783571397","url":"https:\/\/shop.topspeedcincy.com\/products\/comp-cams-camshaft-cb-47s-321-r12-for-chevrolet-big-block-engines-with-oiling-groove-part-number-11-747-14","provider":"Top Speed Cincy Shop","version":"1.0","type":"link"}