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 378

Summit Racing™ Roller Rocker Arms for LS1/LS6 SUM-G6980

Summit Racing™ Roller Rocker Arms for LS1/LS6 SUM-G6980

Rocker Arms, Pedestal Mount, Full Roller, Aluminum, 1.7 Ratio, Chevy, LS, Set of 16

Part Number: SUM-G6980

4.05 out of 5 stars ( 22 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Roller Rocker Arms for LS1/LS6 SUM-G6981

Rocker Arms, Pedestal Mount, Full Roller, Aluminum, 1.8 Ratio, Chevy, 4.8/5.3/5.7/6.0/7.0L, Set of 16

Part Number: SUM-G6981

4.0 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Chevrolet Performance LS6 Corvette Camshafts for 2002-2004 CORVETTE, 2004-2005 CTS - 12565308

Camshaft, Hydraulic Roller Tappet, Duration at .050 in. 204/218, Lift .550/.550, Chevy, LS6, Each

Part Number: NAL-12565308

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Canton Racing LS1/LS6 Drag Racing Dry Sump Oil Pans 12-200

Oil Pan, LS1/LS6 Drag Racing, Dry Sump, Steel, 1-piece Rear Main Seal, Chevy, 5.7L LS, Each

Part Number: CTR-12-200

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

ATK High Performance 250cc LS1/LS6 Aluminum Cylinder Heads HPLS1250

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

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Edelbrock LS1/LS6 Valley Plates 7788

Lifter Valley Plate, Carburetor Conversion, Aluminum, GM, LS, Each

Part Number: EDL-7788

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

COMP Cams Gen III LSI/LS6 RPM Valvetrain Upgrade Kits 54100

Valve Springs, Retainers, Single Springs, Titanium Retainers, Chromoly Pushrods, Chevy, Small Block, LS, Kit

Part Number: CCA-54100

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

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™ 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 Forged Pistons SUM-1109274065-6

Pro LS 2618 Forged Piston, 4.065 bore, 1.110 C.H., 6cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous, Cathedral/Rect., 6.2 LS3 L92 LS9, Set of 8

Part Number: SUM-1109274065-6

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS 6.0L Rotating Assemblies SUM-R58400308

Pro LS 4340 Rotating Assembly, 408 Cid., 4.030 bore, 4.000 stroke, 58x, 6.125 rod, 8cc dish, 11.1:1 @ 65cc, 10.6:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58400308

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS Forged Pistons SUM-1109274070-6

Pro LS 2618 Forged Piston, 4.070 bore, 1.110 C.H., 6cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous, Cathedral/Rect., 6.2 LS3 L92 LS9, Set of 8

Part Number: SUM-1109274070-6

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS Forged Pistons SUM-1109274075-6

Pro LS 2618 Forged Piston, 4.075 bore, 1.110 C.H., 6cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous, Cathedral/Rect., 6.2 LS3 L92 LS9, Set of 8

Part Number: SUM-1109274075-6

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 6.2L Rotating Assemblies SUM-R584007021

Pro LS 4340 Rotating Assembly, 416 Cid., 4.070 bore, 4.000 stroke, 58x, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R584007021

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS Forged Pistons SUM-1109274080-6

Pro LS 2618 Forged Piston, 4.080 bore, 1.110 C.H., 6cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous, Cathedral/Rect., 6.2 LS3 L92 LS9, Set of 8

Part Number: SUM-1109274080-6

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS 6.2L Rotating Assemblies SUM-R58400706

Pro LS 4340 Rotating Assembly, 416 Cid., 4.070 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-R58400706

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Chevrolet Performance LS3 6.2L 376 C.I.D 495 HP Engine Assemblies 19435100

Crate Engine, GM 6.2L, LS3, 495 HP, Internal Engine Balance, Aluminum Block and Heads, Each

Part Number: NAL-19435100

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS Vortec Truck Swap Camshafts SUM-8701R1

Cam, Stage 2, LS Truck Swap Cam, 218/227 112+2, .522/.524 Lift, 3-bolt, 4.8, 5.3, 5.7, 6.0, 6.2, LS1 LS2 LS3 LS6 LS7 LS9 LQ4 LQ9 LH6 LM7 L96, Each

Part Number: SUM-8701R1

4.36 out of 5 stars ( 14 )

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 6.0L Rotating Assemblies SUM-R24400008

Pro LS 4340 Rotating Assembly, 402 Cid., 4.000 bore, 4.000 stroke, 24X, 6.125 rod, 8cc dish, 11:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R24400008

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Summit Racing™ Valve Springs SUM-174002

Pro LS Valve Springs, LS6 Style, 0.550 Max Lift, Single Beehive, 1.270 in. O.D., 375 lbs./in. Spring Rate, 1.800 in. Installed Height, Set of 16

Part Number: SUM-174002

4.77 out of 5 stars ( 26 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS Forged Pistons SUM-110S274065-6

Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-110S274065-6

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS Forged Pistons SUM-110S274070-6

Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-110S274070-6

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS Forged Pistons SUM-110S274075-6

Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-110S274075-6

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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