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...

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Results 1 - 25 of 399

Trick Flow® LS Trunnion Installation Kits TFS-30700500-IK

Rocker Arm Trunnion Bearing Installation/Removal Tool, Bench Mount, GM, LS1/LS3/LS7, Kit

Part Number: TFS-30700500-IK

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS Upgraded Rocker Arms SUM-141556

Rocker Arms, Trunnion Upgrade, Assembled, Cast Steel, 1.7 Ratio, Straight Body, Cathedral Port, Chevy, LS1, LS2, LS6, LQ4, LQ9, Set of 16

Part Number: SUM-141556

4.06 out of 5 stars ( 17 )

Estimated Ship Date: Tomorrow

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PRW LS Fulcrum Installation Tool Washers 1213468

TRUNNION INSTALLATION WASHERS KIT, LS Fulcrum Upgrade Tool Installation Washers, Pair, 2 Each

Part Number: PQX-1213468

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Top Street Performance Rocker Arm Conversion Kit Tools 60803

LS/LT ROCKER ARMS TRUNNION INSTALLATION TOOL

Part Number: TSN-60803

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Summit Racing™ Pro LS Wrist Pins SUM-S719-8

Piston Wrist Pins, H-13 Tool Steel, 0.927 in. Diameter, 2.250 in. Length, 0.215 in. Wall Thickness, 135 grams, Set of 8

Part Number: SUM-S719-8

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS Upgraded Rocker Arms SUM-141554

Rocker Arms, Roller Bearing Trunnion, L92/LS9/LS3, Assembled, Heavy Duty Cast Steel, 1.7 Ratio, Rectangle Port, Chevy, Set of 16

Part Number: SUM-141554

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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COMP Cams Retrofit Trunnion Kits for GM LS Series 13702TL-KIT

COMP Cams Retrofit Trunnion Kits for GM LS Series 13702TL-KIT

Rocker Arm Trunnion Upgrade Kit, Trunnion Upgrade, Includes Installation Tool, Buick, Cadilac, Chevy, GMC, LS, Kit

Part Number: CCA-13702TL-KIT

4.78 out of 5 stars ( 23 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS Wrist Pins SUM-S720

Piston Wrist Pins, H-13 Tool Steel, DLC Coated, 0.927 in. Diameter, 2.250 in. Length, 0.215 in. Wall Thickness, 135 grams, Each

Part Number: SUM-S720

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS Wrist Pins SUM-S719

Piston Wrist Pins, H-13 Tool Steel, 0.927 in. Diameter, 2.250 in. Length, 0.215 in. Wall Thickness, 135 grams, Each

Part Number: SUM-S719

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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COMP Cams Retrofit Trunnion Kits for GM LS Series 13704TL-KIT

Trunnion Upgrade for GM LS7 and GEN V LT1 w/ Disassembly Tool, Kit

Part Number: CCA-13704TL-KIT

Not Yet Reviewed

Estimated Ship Date: Apr 2, 2026 if ordered today

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Estimated Ship Date: Apr 2, 2026 if ordered today

PRW GM LS Series Fulcrum Upgrade Kits 1213464

Rocker Arm Trunnion Upgd Kit, Fulcrum Upgd Kit, Rplmt Fulcrum Bearings & Comp for 16 Rocker Arms, Incl. Removal & Install. Tool & Washers

Part Number: PQX-1213464

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Summit Racing™ Pro LS Upgraded Rocker Arms SUM-141555

Rocker Arms, Roller Bearing Trunnion, LS-7, Assembled, Heavy Duty Cast Steel, 1.8 Ratio, Rectangle Port, Chevy, Set of 16

Part Number: SUM-141555

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS Upgraded Rocker Arms SUM-141554I-1

Rocker Arm, Heavy Duty, 1.7 Ratio, Roller Fulcrum, Ductile Iron, Offset Intake Only, L92/LS9/LS3, GEN IV LS GM Each

Part Number: SUM-141554I-1

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS Upgraded Rocker Arms SUM-141555E-1

Rocker Arms, Roller Bearing Trunnion, LS-7, Assembled, Steel, 1.8 Ratio, Exhaust, Rectangle Port, Chevy, Each

Part Number: SUM-141555E-1

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS Upgraded Rocker Arms SUM-141555I-1

Rocker Arms, Roller Bearing Trunnion, LS-7, Assembled, Steel, 1.8 Ratio, Offset Intake, Rectangle Port, Chevy, Each

Part Number: SUM-141555I-1

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS Upgraded Rocker Arms SUM-141554E-1

Rocker Arm, Heavy Duty, 1.7 Ratio, Roller Fulcrum, Ductile Iron, Catherdral Int. & Exh L92/LS9/LS3 exh. only, GM, Each

Part Number: SUM-141554E-1

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS Upgraded Rocker Arms SUM-141556-1

Rocker Arm, Trunnion Upgrade, Assembled, Cast Steel, 1.7 Ratio, Straight Body, Cathedral Port, Chevy, LS1, LS2, LS6, LQ4, LQ9, Each

Part Number: SUM-141556-1

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS 6.0L Rotating Assemblies SUM-R24400308

Pro LS 4340 Rotating Assembly, 408 Cid., 4.030 bore, 4.000 stroke, 24X, 6.125 rod, 8cc dish, 11.1:1 @ 65cc, 10.6:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R24400308

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Summit Racing™ LS Series Retrofit Trunnion Kits SUM-141560

Gen. 3/4 Chevy LS Rocker Arm Trunnion Upgrade Kit, Bronze Bushing, Retrofit, Rectangle and Cathedral Port Rockers, Set of 16

Part Number: SUM-141560

4.33 out of 5 stars ( 70 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS 6.0L Rotating Assemblies SUM-R244003020

Pro LS 4340 Rotating Assembly, 408 Cid., 4.030 bore, 4.000 stroke, 24X, 6.125 rod, 20cc dish, 9.8:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R244003020

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS 6.2L Rotating Assemblies SUM-R58400656

Pro LS 4340 Rotating Assembly, 415 Cid., 4.065 bore, 4.000 stroke, 58x, 6.125 rod, 6cc dish, 11.5:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58400656

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS Piston and Rod Kits SUM-PR36L0002

Pro LS Piston and Rod Kit, 364 Cid., 4.000 bore, 3.622 stroke, 6.125 rod, 2cc Flat Top, 10.7:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L0002

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS 6.0L Rotating Assemblies SUM-R584003020

Pro LS 4340 Rotating Assembly, 408 Cid., 4.030 bore, 4.000 stroke, 58x, 6.125 rod, 20cc dish, 9.8:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R584003020

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS 5.7L Rotating Assemblies SUM-R24409035

Pro LS 4340 Rotating Assembly, 383 Cid., 3.903 bore, 4.000 stroke, 24X, 6.125 rod, 5cc dish, 10.9:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R24409035

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS Piston and Rod Kits SUM-PR36L7852

Pro LS Piston and Rod Kit, 326 Cid, 3.785 bore, Standard 3.622 stroke, 6.125 rod, 2cc dome, 10.9:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR36L7852

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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