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Engines & Engine Parts
Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched...
Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched top end kits, and complete rotating assemblies from the biggest names in the industry. You can add a set of high-flow cylinder heads to your powerplant, upgrade your valvetrain, improve your oiling system, or drop in a new set of pistons. We also have a complete selection of crankshafts, connecting rods, harmonic balancers, pulleys, and engine brackets. We even have everything you need to restore the horsepower that time has stolen from your...
Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched top end kits, and complete rotating assemblies from the biggest names in the industry. You can add a set of high-flow cylinder heads to your powerplant, upgrade your valvetrain, improve your oiling system, or drop in a new set of pistons. We also have a complete selection of crankshafts, connecting rods, harmonic balancers, pulleys, and engine brackets. We even have everything you need to restore the horsepower that time has stolen from your daily driver.
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Valve Stem Seal, Positive Stop, Viton®, 0.313 in. Stem Diameter, Chevrolet, LS, Each
Part Number: BTC-VS31500V
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
BUILD IT WITH SUMMIT!
Summit Racing™ Precision Cast Chevy LS 5.3L Cylinder Head SUM-LS210CATH60
LS Cylinder Head, 5.3L Specific, 60cc Chamber, 2.000 Int. Valve, Permanent Mold A-356, Manganese Guides, Ductile Seats, PAC Springs, 21 4N Stainless
Part Number: SUM-LS210CATH60
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Stem Seal, Positive Stop, Nitrile Rubber, 0.313 in. Stem Diameter, Chevrolet, LS, Each
Part Number: BTC-VSLSHAT
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Stem Seals, Intake and Exhaust, 0.552 in. ID, 0.342 in. Stem, Chevrolet, Gen II, LT-Based Engine, Set of 16
Part Number: BTC-VSLTKIT
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Stem Oil Seal, Positive Stop, Viton® Rubber, 8.74mm Stem Diameter, 0.513 in, Guide Diameter, 0.675 in. O.D., Each
Part Number: AFR-6614
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Stem Oil Seal, Positive Stop, Viton® Rubber, 8 mm Stem Diameter, 0.490 in, Guide Diameter, 0.620 in. O.D.,
Part Number: AFR-6615
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Guide, 11/32 in., Bronze, Exhaust, Chevy, Big Block, Each
Part Number: AFR-9041-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Guide, 11/32 in., Bronze, Intake, Chevy, Big Block, Set of 8
Part Number: AFR-9042-8
Not Yet Reviewed
Estimated Ship Date: Dec 21, 2026 if ordered today
Estimated Ship Date: Dec 21, 2026 if ordered today
Valve Guide, 11/32 in., Bronze, Exhaust, Chevy, Big Block, Set of 8
Part Number: AFR-9041-8
Not Yet Reviewed
Estimated Ship Date: Dec 21, 2026 if ordered today
Estimated Ship Date: Dec 21, 2026 if ordered today
Valve Guide, 11/32 in., Bronze, Intake, Chevy, Big Block, Each
Part Number: AFR-9042-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Head, LS3, Aluminum, Assembled, 68.4cc, 260cc Intake Runner, Each
Part Number: NAL-12675871
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Heads, IK 180, Aluminum, Assembled, 64cc Chamber, 180cc Intake Runner, Chevy, 327, 350, 400, Pair
Part Number: BRO-1021004
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Head, Performer RPM, Aluminum, Assembled, 72cc Chamber, 170cc Intake Runner, Ford, FE. Each
Part Number: EDL-60069
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Head, Canted Valve LS3, Assembled, Aluminum, 64cc Chamber, 260cc Intake Runner, Hydraulic Roller, D-Port, CNC Ported, Chevrolet, Each
Part Number: BTC-BTR-CVH3C-6A
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Heads, IK 200, Aluminum, Assembled, 64cc Chamber, 200cc Intake Runner, Chevy, Small Block, Pair
Part Number: BRO-1021001
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Heads, Enforcer, Aluminum, Assembled, 69cc Chamber, 200cc Intake, Hydraulic Roller, Straight Plug, Small Block, Chevy, Each
Part Number: AFR-1011
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Head, Canted Valve LS1, Assembled, Aluminum, 63cc Chamber, 250cc, Hydraulic Roller, Cathedral Port, 0.660 in. Max Lift, Chevrolet, Each
Part Number: BTC-BTR-CVH1C-6A
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Head, 335cc Enforcer, Assembled, 2.250 in. Intake Valve, 10 Degree Locks, 1.550 in. Dual Valve Springs, Aluminum, Chevy, Big Block, Each
Part Number: AFR-3001
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Heads, IK 180, Aluminum, Assembled, 64cc Chamber, 180cc Intake Runner, Chevy, 327, 350, 400, Pair
Part Number: BRO-1021005
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Head, for Hydraulic Roller Cam, 77cc Chamber, 218cc Intake, 128cc Exhaust, Assembled, Stud Type, Aluminum, V8, 400-455 CID, Oldsmobile, Each
Part Number: EDL-61025
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Head, Assembled, Aluminum, Natural, Jeep, 4.0, L6, Each
Part Number: EDL-50169
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Heads, 270cc Big Valve LS3, Assembled, Aluminum, 69cc Chamber, Rectangular Port, for 4.00 in. and Larger Bore, Chevy, Small Block LS, Pair
Part Number: AFR-1847
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Heads, IK 200, Aluminum, Assembled, 70cc Chamber, 200cc Intake Runner, Chevy, 327, 350, 400, Pair
Part Number: BRO-1021007
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Head, Victor Max Wedge, Aluminum, Bare with Valves, 75cc Chamber, 290cc Runner, Mopar, B, RB, Each
Part Number: EDL-77949
Estimated Ship Date: Today
Estimated Ship Date: Today
