{"product_id":"xtreme-energy-camshaft-and-cylinder-head-kit-amped","title":"Xtreme Energy Camshaft And Cylinder Head Kit Amped Up With HP Springs Premium Lifters Plus Swirl Polished Valves Built Heavy Duty For Raw Torque Gains In Chevy Big Block 454 427 402 396 Engines","description":"\u003cdiv\u003eBig Block Chevy Head Kit Set For Raw Horsepower Gains\u003cbr\u003e\n✔️ Comp cam hydraulic flat tappet hp springs polished valves \u0026amp; lifters \u003cp\u003eThis comprehensive cylinder head rebuild package supplies every major internal component required to refresh stock or aftermarket cast iron heads on 396 through 454 Chevrolet big block V8s. Street rodders and track builders install these kits to restore proper sealing, boost low end grunt, and avoid buying expensive individual valves and springs separately.\u003c\/p\u003e ✅ Comp Cams Xtreme Energy 206\/212 hydraulic flat tappet camshaft delivers 600 to 4800 rpm operating range\u003cbr\u003e\n✅ Sixteen high performance coil springs maintain closed pressure at 140lbs and open pressure at 380lbs under heavy load\u003cbr\u003e\n✅ Sixteen one piece stainless steel swirl polished valves feature precision intake sizing and hardened exhaust tips\u003cbr\u003e\n✅ Complete hardware pack includes chromoly retainers shoulder rocker studs valve seals and guide plates for quick installation\u003cbr\u003e \u003cp\u003e💡 What is a full cylinder head rebuild kit used for in engine maintenance?\u003cbr\u003ePatching up internal wear is pretty handy when you chase solid compression and smooth airflow for street rods or track specials.\u003cbr\u003e- syncing cam phasing with the crank reduces valvetrain slap completely\u003cbr\u003e- replacing fatigue prone springs keeps valve float away under hard pulls\u003cbr\u003e- cleaning old ports and polishing seats boosts thermal efficiency fast\u003c\/p\u003e\n✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49248858210539,"sku":"VXB0FJW1MRFH","price":1148.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/718t9e3zfNL_9f144e51-63f3-47bf-b573-9280c67e871d.jpg?v=1787060410","url":"https:\/\/vxb.com\/products\/xtreme-energy-camshaft-and-cylinder-head-kit-amped","provider":"VXB Bearings","version":"1.0","type":"link"}