{"product_id":"comp-cams-cb-304h-r10-performance-camshaft-for-chevrolet-big-block-engines","title":"COMP Cams CB 304H-R10 Performance Camshaft for Chevrolet Big Block Engines","description":"BBC - 1965-66 396 c.i. 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 \nStreet\/strip. 10:1+ compression, 3000+ stall, 4.10+ gears, aftermarket intake and headers. Very rough idle.\nChevrolet GEN IV 396-454 Big Block Engines Originally Equipped with Flat Tappet Camshafts\n\u003cp\u003eThe COMP Cams CB 304H-R10 is designed specifically for Chevrolet Gen IV 396-454 big block engines originally equipped with flat tappet camshafts. This high-performance camshaft features an oiling groove in the rear journal, ensuring optimal lubrication and durability during aggressive driving conditions. It is ideal for street\/strip applications, delivering a rough idle that complements high-performance setups with 10:1+ compression ratios, 3000+ stall converters, and 4.10+ gears. When combined with aftermarket intake manifolds and headers, this camshaft enhances engine airflow and horsepower output. Its precise design helps to maximize power and torque, making it suitable for enthusiasts seeking reliable performance upgrades.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eDesigned for Chevrolet Gen IV 396-454 big block engines originally equipped with flat tappet camshafts.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes an oiling groove in the rear journal for improved lubrication and longevity.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eOptimized for street\/strip applications with high compression ratios and aftermarket modifications.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eProvides a rough idle characteristic, suitable for performance tuning.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCompatible with high-stall converters, performance gears, and aftermarket intake and headers to maximize engine output.\u003c\/li\u003e\u003c\/ul\u003e","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":55149901578545,"sku":"4389942","price":629.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0990\/2247\/1473\/files\/da391e6d89729565f9ad72b8e6fa9cd2.jpg?v=1783573515","url":"https:\/\/shop.topspeedcincy.com\/products\/comp-cams-cb-304h-r10-performance-camshaft-for-chevrolet-big-block-engines","provider":"Top Speed Cincy Shop","version":"1.0","type":"link"}