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On Sale
ATK offers select parts for your build, including cylinder heads. They use them in their engine combinations and are available to complete your small block Ford engine or upgrade existing components. ATK High Performance 205cc SBF aluminum cylinder head features: * A356 aluminum construction * Stainless steel intake and exhaust valves * Manganese Bronze valve guides * Viton® valve seal * Powder meatal valve seats * Steel retainers with 7-degree bead lock keepers * Spark plug dimensions: 14mm x .750 in. with gasket seat * Head bolt diameter: 1/2 in.
Not Yet Reviewed
$698.99
$648.99
On Sale
Outfit your top end with a set of these assembled ATK High Performance aluminum cylinder heads for small block Chevrolet. They're cast, machined, and assembled with A356 aluminum alloy. The heads feature the latest port designs for maximum efficiency and increased power, and improved stock exhaust port location for better header fitment. ATK High Performance aluminum cylinder heads for small block Chevrolet include: * 2.020 in. stainless steel, swirl polished with undercut stem intake valves * 1.600 in. stainless steel, swirl polished with undercut stem exhaust valves * Manganese bronze valve guides * Alloy valve seats * 1.437 in. diameter valve springs (.600 in. max valve lift) * Chromoly 7-degree valve spring retainers * Single groove 7-degree valve locks * Valve spring locators * 5/16 in. flat pushrod guideplates * 3/8-24 in. rocker arm studs
Not Yet Reviewed
$798.99
$748.99
On Sale
ATK offers select parts for your build, including cylinder heads. They use them in their engine combinations and are available to complete your big block Chevy engine or upgrade existing components. ATK High Performance 315cc BBC cylinder head features: * A356 aluminum construction * Stainless steel intake and exhaust valves * Manganese Bronze valve guides * Viton® valve seal * Powder meatal valve seats * Steel retainers with 10-degree locks * Spark plug dimensions: 14mm x .708 in. with gasket seat
Not Yet Reviewed
$1,048.99
$998.99
On Sale
ATK offers select parts for your build, including cylinder heads. They use them in their engine combinations and are available to complete your LS engine or upgrade existing components. ATK High Performance 260cc LS3 CNC-ported cylinder head features: * A356 aluminum construction * Stainless steel intake and exhaust valves * Manganese Bronze valve guides * Viton® valve seal * Powder meatal valve seats * Titanium retainers * Spark plug dimensions: 14mm x .708 in. with tapered seat
Not Yet Reviewed
$1,148.99
$1,098.99
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