{"product_id":"comp-cams-camshaft-cb-306b-r10-for-big-block-chevy-396-454-with-oil-groove-heavy-duty-race-application","title":"COMP Cams Camshaft CB 306B-R10 for Big Block Chevy 396-454 with Oil Groove - Heavy Duty Race Application","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. WARNING: Camshaft Optimized for use with a Melanized or Nitrided distributor Gear. Not compatible with cast or Steel Gears without similar surface treatments. Failure to utilize the proper distributor Gear will void all warranties and\/or return policies.\nBracket race 468-496c.i. heavy car, 12:1+ compression.\nChevrolet GEN IV 396-454 Big Block Engines Originally Equipped with Flat Tappet Camshafts\n\u003cp\u003eThe COMP Cams CB 306B-R10 is a high-performance camshaft designed specifically for Chevrolet Big Block engines ranging from 396 to 454 cubic inches, particularly suitable for heavy-duty race applications with 12:1+ compression ratios. This camshaft features an oiling groove in the rear journal, which is essential for certain 1965-66 models that require this specific design. Please note that the listed part number is not compatible with engines that do not have this oiling feature; contact us at 1-800-999-0853 or via our support channels for assistance in selecting the correct camshaft for your engine setup. The CB 306B-R10 is optimized for use with Melanized or Nitrided distributor gears, ensuring durability and proper operation. Using cast or steel distributor gears without similar surface treatments can lead to compatibility issues and will void any warranties or return policies. This camshaft is ideal for race cars and heavy-duty applications, providing enhanced performance and reliability under demanding conditions. Crafted by COMP Cams, a trusted name in the automotive industry, this part is engineered for precision and longevity, making it a suitable choice for professional racers and serious enthusiasts alike. Installation and proper gear selection are critical to maximize this camshaft’s performance and to ensure warranty validity. Please verify your engine specifications and gear compatibility before purchase to achieve optimal results.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eDesigned for Chevrolet Big Block engines 396-454 cubic inches, suitable for high-performance racing applications\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eOil groove in rear journal for 1965-66 models requiring this feature\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eOptimized for use with Melanized or Nitrided distributor gears, ensuring durability\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSuitable for heavy-duty race cars with 12:1+ compression ratios\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eEngineered by COMP Cams for precision performance and reliability\u003c\/li\u003e\u003c\/ul\u003e","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":55148356370737,"sku":"4390027","price":616.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0990\/2247\/1473\/files\/655e949ce617018fd107082d8edbea9e_2a38fc2d-1832-4d15-a4e3-2955884448dc.jpg?v=1783571866","url":"https:\/\/shop.topspeedcincy.com\/products\/comp-cams-camshaft-cb-306b-r10-for-big-block-chevy-396-454-with-oil-groove-heavy-duty-race-application","provider":"Top Speed Cincy Shop","version":"1.0","type":"link"}