Cylinder Heads, Valve Seats, Head Bolts, Top End Kits & More

Cylinder Head, 315cc BBC, Aluminum, 120cc Chamber, 315cc Runner, 2.250 in. Intake Valve, 1.880 in. Exhaust Valve, 0.675 in. Max Lift, Chevy, Each

Part Number: HPE-HPBBC315

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Cylinder Head, 250cc LS1/LS6, Aluminum, 61cc Chamber, 250cc Runner, 2.080 in. Intake Valve, 1.600 in. Exhaust Valve, 0.650 in. Max Lift, Chevy, Each

Part Number: HPE-HPLS1250

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Cylinder Head, 260cc LS3, CNC Ported, 6 Bolt, 70cc Chamber, 260cc Runner, 2.165 in. Intake , 1.600 in. Exhaust, 0.650 in. Max Lift, Chevy, Each

Part Number: HPE-HPLS3260

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Cylinder Head, 270cc LS3, CNC Ported, 6 Bolt, 72cc Chamber, 273cc Runner, 2.165 in. Intake, 1.600 in. Exhaust, 0.650 in. Max Lift, Chevy, Each

Part Number: HPE-HPLS3270

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Cylinder Head, 290cc BBC, Aluminum, 113cc Chamber, 294cc Runner, 2.250 in. Intake Valve, 1.880 in. Exhaust Valve, 0.675 in. Max Lift, Chevy, Each

Part Number: HPE-HPBBC290

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Cylinder Head Studs, Chromoly, Black Oxide, Hex Head, Oldsmobile, 330, 350, 425, 455, with Stock Heads, Set

Part Number: MIL-80245

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Cylinder Head, Freedom, Aluminum, Assembled, 64 cc Chamber, 190 cc Intake Runner, Straight Plug, Chevy, Pair

Part Number: PMX-2181

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Sep 15, 2025 if ordered today

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Cylinder Head Studs, 4140 Alloy, 12-Point Nuts, Parallel Ground Washers, 200,000 PSI Tensile Strength, Dodge, Cummins, 5.9L, L6, 24-Valve, Diesel, Kit

Part Number: PQX-1035902

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Estimated Ship Date: Oct 3, 2025 if ordered today

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Cylinder Head Studs, SCM-4140 Alloy, 12-Point Heads, Ford, 6.4L Diesel, Kit

Part Number: PQX-1039121

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Estimated Ship Date: Oct 3, 2025 if ordered today

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Engine Cylinder Head, Ford 1.6 13 TURBO GDO Head

Part Number: VRE-2FG3

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Estimated Ship Date: Sep 29, 2025 if ordered today

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Bushing-Valve Guide

Part Number: PWD-555214

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Estimated Ship Date: Nov 17, 2025 if ordered today

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SBC VORTECH HEAD

Part Number: PYP-2051

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Estimated Ship Date: Sep 4, 2025 if ordered today

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Valve Guide Bushing

Part Number: RRA-7-03078

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Valve Guide

Part Number: RRA-7-03081

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Estimated Ship Date: Sep 22, 2025 if ordered today

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HEX HEAD BOLT, Camshaft Timing Gear Retaining, SBF, 3/8" x 16 UNC x 1.0" UHL 01351nn gear drives only

Part Number: PQX-1028102

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Estimated Ship Date: Oct 2, 2025 if ordered today

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HEX HEAD BOLT, Camshaft Timing Gear Retaining, OLDS, 7/16" x 20 UNC x 1.22" UHL 0145512 gear drives only

Part Number: PQX-1028104

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Estimated Ship Date: Oct 2, 2025 if ordered today

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Cylinder Head Studs, 8740 Chromoly, 200,000 PSI Tensile Strength, Black Oxide, 12-Point Nuts, Mopar, Kit

Part Number: PQX-1031821

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Estimated Ship Date: Oct 2, 2025 if ordered today

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BOLT KIT, CYLINDER HEAD, GM CHEVY, LS1, LS6, 4.8, 5.3, 5.7, 6.0L, 2004-Up, SCM-4140 Alloy Steel, 6pt hex head, 200,000 PSI

Part Number: PQX-1034621

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Estimated Ship Date: Oct 2, 2025 if ordered today

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Cylinder Head Studs, SCM-4140 Alloy, 12-Point Heads, Chevrolet/GMC, 6.6L, L5P Diesel, Kit

Part Number: PQX-1040321

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Estimated Ship Date: Oct 2, 2025 if ordered today

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Cylinder Head Fasteners, 12-point, 4140 Steel, Black Oxide, Washers, Ford, 6.7L Diesel, Kit

Part Number: PQX-1040621

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Estimated Ship Date: Oct 2, 2025 if ordered today

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STUD KIT, CYLINDER HEAD, CHEV BB, 1966-2000, 6-point, 8740 Chromoly, 200,000psi, Black Oxide

Part Number: PQX-1045411

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Estimated Ship Date: Oct 2, 2025 if ordered today

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Cylinder Head, Motown, Cast Iron, Assembled, 64cc Chamber, 220cc Intake, Chevy, 302, 327, 350, 400, Each

Part Number: WRL-014150-1

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Cylinder Head, Merlin, Cast Iron, Bare, 119cc Chamber, 269cc Intake Runner, Chevy, Big Block, Each

Part Number: WRL-030040

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Cylinder Head, S/R Torquer, Cast Iron, Bare, 67cc Chamber, 170cc Intake, Chevy, 302, 327, 350, 400, Each

Part Number: WRL-042660

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Cylinder Head, S/R, Cast Iron, Assembled, 76cc Chamber, 171cc Intake Runner, Chevy, Small Block, Each

Part Number: WRL-043600-1

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Estimated Ship Date: Sep 22, 2025 if ordered today

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