Availability
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
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$1,148.99
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
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 270cc 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
$1,198.99
ATK High Performance Chrysler Gen III Hemi remanufactured bare blocks are an economical option for your build! They're fully machined and ready to assemble. Here are product details: ATK 220A Engine Specs: * Block: Machined GEN III Hemi 5.7L (2004-2008) * Bore: 3.927 in. (Pistons size vary, final honing may be required) * Displacement: 345 cubic inch * Main journal type: Mopar GEN III Hemi * Engine block material: Cast iron * Engine block style: OEM * Engine block deck height: Standard deck * Main bolt style: 2-bolt * Main caps included: Yes * Main cap material: Powdered metal * Main cap fasteners included: Yes * Main bearings included: No * Camshaft bearings: Dura-Bond, installed and clocked to OEM position * Freeze plugs: Brass, installed and sealed * Oil galley plugs: Installed and sealed * Camshaft bearing line boring in Standard * Pos 1: 2.2921 in. – 2.2931 in. * Pos 2: 2.2765 in. – 2.2775 in. * Pos 3: 2.2607 in. – 2.2617 in. * Pos 4: 2.2449 in. – 2.2459 in. * Pos 5: 1.7187 in. – 1.7197 in. * Main, line honed: 2.7522 in. - 2.7525 in. * Cylinder honing I.D.: 3.9270 in. - 3.9278 in. * Minimum deck height: 7.880 in. - 7.870 in.
Not Yet Reviewed
$1,319.99
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