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191 Results Found For "5/16 valve stem seals"

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191 Results Found For "5/16 valve stem seals"

Whether you race Pro Stock, Super Comp, or just want to rebuild your old Chevy 350 small block, there are cylinder heads just for you! Performance cylinder heads enhance...

Whether you race Pro Stock, Super Comp, or just want to rebuild your old Chevy 350 small block, there are cylinder heads just for you! Performance cylinder heads enhance the airflow into your engine, giving you improved power and torque. Bolt on a set of fully assembled cylinder heads for instant power gains or custom build your engine’s top-end around a set of bare castings! Plus, you can turn up the horsepower even more by choosing cylinder heads with CNC-ported runners and chambers, CNC-profiled chambers, raised exhaust runners, and other enhancements. From budget-friendly cast iron cylinder heads to lightweight...

Whether you race Pro Stock, Super Comp, or just want to rebuild your old Chevy 350 small block, there are cylinder heads just for you! Performance cylinder heads enhance the airflow into your engine, giving you improved power and torque. Bolt on a set of fully assembled cylinder heads for instant power gains or custom build your engine’s top-end around a set of bare castings! Plus, you can turn up the horsepower even more by choosing cylinder heads with CNC-ported runners and chambers, CNC-profiled chambers, raised exhaust runners, and other enhancements. From budget-friendly cast iron cylinder heads to lightweight aluminum cylinder heads, we’ve got cylinder heads for a huge array of applications, including the latest GM LS and Ford mod-motor engines.

Individual Parts

Results 1 - 25 of 191

Cylinder Heads, IK 200, Aluminum, Assembled, 64cc Chamber, 200cc Intake Runner, Chevy, Small Block, Pair

Part Number: BRO-1021001

4.33 out of 5 stars ( 21 )

Estimated Ship Date: Tomorrow

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Cylinder Heads, IK 180, Aluminum, Assembled, 64cc Chamber, 180cc Intake Runner, Chevy, 327, 350, 400, Pair

Part Number: BRO-1021004

4.53 out of 5 stars ( 17 )

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Cylinder Heads, IK 180, Aluminum, Assembled, 64cc Chamber, 180cc Intake Runner, Chevy, 327, 350, 400, Pair

Part Number: BRO-1021005

4.75 out of 5 stars ( 12 )

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Cylinder Heads, IK 200, Aluminum, Assembled, 70cc Chamber, 200cc Intake Runner, Chevy, 327, 350, 400, Pair

Part Number: BRO-1021007

4.25 out of 5 stars ( 4 )

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Cylinder Heads, Competition Porting, Aluminum, Assembled, 58cc Chamber, 195cc Intake, Ford, Small Block, Pair

Part Number: AFR-1381-716

4.33 out of 5 stars ( 3 )

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Cylinder Heads, 195cc SBC Eliminator LT, Aluminum, Assembled, 54cc Chamber, 195cc Intake, Heart Combustion Chamber, Chevrolet, 5.7L LT, Pair

Part Number: AFR-1032

5.0 out of 5 stars ( 1 )

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Cylinder Head, SBC, Aluminum, 66cc Chamber, 219cc Runner, 2.080 in. Intake Valve, 1.600 in. Exhaust Valve, 0.625 in. Max Lift, Chevy, Each

Part Number: HPE-HPSBC220

Not Yet Reviewed

Estimated Ship Date: Jul 16, 2026 if ordered today

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Estimated Ship Date: Jul 16, 2026 if ordered today

Cylinder Heads, IK 200, Aluminum, Assembled, 70cc Chamber, 200cc Intake Runner, Chevy, 327, 350, 400, Pair

Part Number: BRO-1021006

4.75 out of 5 stars ( 4 )

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Cylinder Head, Z2 Velocity Vane, Aluminum, Assembled, 63cc Chamber, Ford, 289/302/351W, Each

Part Number: FMS-M-6049-Z2

5.0 out of 5 stars ( 2 )

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Cylinder Heads, Aluminum, 195cc Intake Runner, Straight Plug, 2.020/1.600 in. Valves, 3/8 in. Rocker Arm Studs, Chevy, Small Block, Pair

Part Number: MLL-H8002K

4.48 out of 5 stars ( 61 )

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Chevy SB, 195 cc Intake Runner, 65cc Straight-Plug Chamber, 2.02 Intake Valve, 1.6 Exhaust Valve, Hydraulic Roller Cam Max .600 Lift, Ea.

Part Number: SUM-162SBCSTRHR

4.83 out of 5 stars ( 6 )

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Chevy LS Cylinder head, 255cc Rectangle port Intake Runner, 67cc Chamber, 2.16 Intake Valve 1.6 Exhaust Valve, 4.000 + bore sizes, Max .600 Lift, Each

Part Number: SUM-162LS3255REC

2.0 out of 5 stars ( 2 )

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Chevy SB, 195 cc Intake Runner, 65cc Angle-Plug Chamber, 2.02 Intake Valve, 1.6 Exhaust Valve, Hydraulic Roller Cam Max .600 Lift, Ea.

Part Number: SUM-162SBCANGHR

5.0 out of 5 stars ( 1 )

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Cylinder Head, 195cc Precision Cast, Aluminum, Assembled, 65cc Chamber, 2.020 in./1.600 exh. Valve, Chevy, For Small Block with Flat Tappet Cam, Each

Part Number: SUM-162SBCSTRFT

3.0 out of 5 stars ( 2 )

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Chevy SB, 195 cc Intake Runner, 65cc Angle-Plug Chamber, 2.02 Intake Valve, 1.6 Exhaust Valve, Flat Tappet Cam Max .550 Lift, Ea.

Part Number: SUM-162SBCANGFT

Not Yet Reviewed

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Cylinder Head, Remanufactured, Assembled, Left or Right, Cast Iron, Natural Finish, Buick, Chevy, Oldsmobile, Pontiac, V6, Each

Part Number: VRE-2B55

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Cyl Head, SUBARU EJ25D 06-10 RGT HD

Part Number: VRE-2712GR

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Cyl Head, SUBARU EJ25D 06-10 LFT HD

Part Number: VRE-2712GL

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Cylinder Head, 200cc, Assembled, Non-Vortec Bolt Pattern, for Center or Perimeter Bolt Valve Covers, Aluminum, Natural, Chevy, Small Block, Each

Part Number: FLK-1200HRSB505S

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Cylinder Heads, Enforcer, Aluminum, Assembled, 64cc Chamber, 195cc Intake, Straight Plug, Chevrolet, Small Block, Each

Part Number: AFR-1001

4.95 out of 5 stars ( 21 )

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Cylinder Head, Performer RPM, Aluminum, Assembled, 54cc Chamber, 185cc Intake Runner, AMC, 343, 360, 390, 401, Each

Part Number: EDL-60119

3.89 out of 5 stars ( 9 )

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Ford Windsor, 185 cc Int. Runner, 64cc Chamber, 2.02 Int./1.6 Exh. Hyd. Roller .600 Lift, 351W 1/2 in. head bolt, reducer sleeve needed for 289/302

Part Number: SUM-162SBF185WIN

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Cylinder Head, 185cc Enforcer, Aluminum, Assembled, 64cc Combustion Chamber, 2.02 in. Intake Valve, 1.6 in. Exhaust Valve, Ford, Small Block, Each

Part Number: AFR-1351

4.5 out of 5 stars ( 18 )

Estimated Ship Date: Tomorrow

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Cylinder Head, Performer RPM, Aluminum, Assembled, 60cc Chamber, 190cc Intake Runner, Ford, 289, 302, 351W

Part Number: EDL-60255

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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