{"product_id":"comp-cams-camshaft-kit-cb-x4-278h-11-for-chevrolet-gen-iv-big-block-engines","title":"COMP Cams Camshaft Kit CB X4 278H-11 for Chevrolet Gen IV Big Block Engines","description":"K-KIT - Complete Kit Includes: Camshaft, Lifters, Valve Springs, Retainers, Valve Locks, Valve Stem Seals, Timing Chain Set, Assembly Lube (in flat tappet applications), Decals and Instructions.\nGood top end power, needs good intake, headers and gears. Use with 9.5:1 compression and 2500+ stall.\nChevrolet GEN IV 396-454 Big Block Engines Originally Equipped with Flat Tappet Camshafts\n\u003cp\u003eThe COMP Cams CB X4 278H-11 camshaft kit is designed for Chevrolet Gen IV 396-454 big block engines originally equipped with flat tappet camshafts. This comprehensive kit includes a high-performance camshaft, lifters, valve springs, retainers, valve locks, valve stem seals, a timing chain set, assembly lube for flat tappet applications, decals, and detailed instructions. It provides excellent top-end power when paired with a good intake system, headers, and appropriate gear ratios. Recommended for use with a 9.5:1 compression ratio and a stall converter of 2500 RPM or higher, this kit is ideal for enthusiasts seeking to maximize engine performance and reliability.\u003c\/p\u003e\u003cp\u003eThe camshaft's aggressive profile and high lift facilitate improved airflow and combustion efficiency, resulting in increased horsepower and torque at higher RPM ranges. The included valve springs and retainers are engineered to handle the higher valve spring pressures associated with performance camshaft profiles, ensuring durability under demanding conditions. The timing chain set ensures precise timing and long-lasting operation, while the assembly lube aids in proper camshaft installation and break-in procedures. Designed specifically for flat tappet applications, this kit is a perfect upgrade for classic muscle cars or custom builds aiming for enhanced high-rpm performance.\u003c\/p\u003e\u003cp\u003eBuilt by COMP Cams, a trusted name in the automotive performance industry, this kit emphasizes quality and reliability. It is crucial to match this camshaft with suitable intake components, headers, and gear ratios to unlock its full potential. Whether you're restoring a vintage Chevrolet big block or building a high-performance street engine, the CB X4 278H-11 kit offers a comprehensive solution to improve your engine's top-end power and overall responsiveness.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eIncludes camshaft, lifters, valve springs, retainers, and valve locks for a complete upgrade\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDesigned for Chevrolet Gen IV 396-454 big block engines with flat tappet camshafts\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eOptimized for high RPM performance with good intake, headers, and gear setup\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSuitable for use with 9.5:1 compression ratio and 2500+ stall converters\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eComprehensive kit with assembly lube, decals, and instructions for proper installation\u003c\/li\u003e\u003c\/ul\u003e","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":55142646120753,"sku":"4396289","price":806.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0990\/2247\/1473\/files\/14d4b336779f2071fdbedab658cd5b61_91754e8b-8778-4af3-8bd0-356a7efd4cf2.jpg?v=1783567895","url":"https:\/\/shop.topspeedcincy.com\/products\/comp-cams-camshaft-kit-cb-x4-278h-11-for-chevrolet-gen-iv-big-block-engines","provider":"Top Speed Cincy Shop","version":"1.0","type":"link"}