{"product_id":"comp-cams-cb-305h-10-high-performance-camshaft-for-chevrolet-396-454-big-block-engines","title":"COMP Cams CB 305H-10 High-Performance Camshaft for Chevrolet 396-454 Big Block Engines","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.\nLimited street use or bracket racing. 10.5:1+ compression, 3500+ stall or 4 speed. 4.10 or lower gears. Radical Idle.\nChevrolet GEN IV 396-454 Big Block Engines Originally Equipped with Flat Tappet Camshafts\n\u003cp\u003eThe COMP Cams CB 305H-10 is a high-performance camshaft designed specifically for Chevrolet Gen IV 396-454 big block engines originally equipped with flat tappet camshafts. This camshaft features an oiling groove in the rear journal, which is essential for proper lubrication in 1965-66 396 cubic inch models. Please note that the listed part number is incompatible with these models; if you require a camshaft with the oiling groove, contact us at 1-800-999-0853 for assistance with your order. This camshaft is ideally suited for limited street use or bracket racing, with specifications optimized for engines with 10.5:1+ compression ratios, stall speeds above 3500 RPM, or 4-speed transmissions with 4.10 or lower gears. Its radical idle profile delivers a distinctive driving experience for performance enthusiasts. \u003cbr\u003eConstructed for use in Chevrolet engines, the CB 305H-10 is not carburetor approved, and a carb acknowledgment is required during installation. It is important to note that this part is not suitable for EPA compliance and is intended solely for off-road or racing applications. The camshaft is sold as a single unit, with a weight of approximately 165 grams, and measures roughly 24.4 inches in length with a width of 2.6 inches. Designed for enthusiasts seeking to enhance engine performance, the COMP Cams CB 305H-10 provides a reliable upgrade for high-stress racing environments and performance builds. Proper installation and compatibility checks are recommended to ensure optimal operation and durability of your engine.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eOiling groove in the rear journal designed for 1965-66 Chevrolet 396 cubic inch models\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eOptimized for limited street use or bracket racing with high compression ratios\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eRadical idle profile for aggressive engine sound and performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCompatible with engines with 10.5:1+ compression, 3500+ stall speed, and 4-speed transmissions with 4.10 or lower gears\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eConstructed for Chevrolet Gen IV 396-454 big block engines originally equipped with flat tappet camshafts\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eNot carburetor approved; carb acknowledgment required during installation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSold as a single unit weighing approximately 165 grams\u003c\/li\u003e\u003c\/ul\u003e","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":55152028385585,"sku":"4389850","price":334.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0990\/2247\/1473\/files\/86a899ae5b817f7f660d734299630f5f_aaca368d-0ba4-4421-9316-aafdf4391e91.jpg?v=1783575062","url":"https:\/\/shop.topspeedcincy.com\/products\/comp-cams-cb-305h-10-high-performance-camshaft-for-chevrolet-396-454-big-block-engines","provider":"Top Speed Cincy Shop","version":"1.0","type":"link"}