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 2000 +

Summit Racing™ Billet Steel Timing Chain and Gear Set for Chevy LS SUM-G6602R-B

Timing Chain and Gear Set, True Double Roller, Billet Steel, 3 Bolt, No Cam Sensor, Chevy, LS Series, Set

Part Number: SUM-G6602R-B

4.88 out of 5 stars ( 32 )

Estimated Ship Date: Today

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Summit Racing™ Stamped Steel Roller Tip Rocker Arms SUM-141506

Rocker Arms, Stud Mount, Roller Tip, Grooved Pivot Balls, Stamped Steel, 1.5 Ratio, Fits 3/8 in. Stud, Chevy, Small Block, Set of 16

Part Number: SUM-141506

4.54 out of 5 stars ( 74 )

Estimated Ship Date: Today

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Summit Racing™ SBC Cast Steel Roller Tip Rocker Arms SUM-141706PL

Rocker Arms, Roller Tip, Cast Steel, 3/8 in. Stud Mount, 1.5 Ratio, Polylocks, Chevy, Small Block, Set of 16

Part Number: SUM-141706PL

4.46 out of 5 stars ( 50 )

Estimated Ship Date: Today

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Proform Stamped Steel Chevrolet Valve Covers 141-905

Valve Covers, Tall, Steel, Chrome, Chevrolet Logo, Chevy, Small Block, Pair

Part Number: PRO-141-905

4.52 out of 5 stars ( 42 )

Estimated Ship Date: Today

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Eagle Cast Steel Crankshafts 103523480

Crankshaft, 1-Piece Seal, Internal/External Balance, Cast Steel, 3.48 in. Stroke, Chevy, Each

Part Number: ESP-103523480

4.53 out of 5 stars ( 32 )

Estimated Ship Date: Today

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Summit Racing™ Steel Valve Spring Retainers SUM-174003-3

Valve Spring Retainers, Steel, Beehive, 7 Degree, Non LS, 11/32 in. 1.060 in. Outside Diameter, 0.640 in. Inside Diameter, Set of 16

Part Number: SUM-174003-3

5.0 out of 5 stars ( 12 )

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

COMP Cams Steel Valve Spring Retainers 787-16

4.75 out of 5 stars ( 37 )

Estimated Ship Date: Today

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Summit Racing™ Billet Steel Timing Chain and Gear Set for BBC SUM-G6610R-B

Timing Chain and Gear Set, True Roller, Double Roller, Billet Steel Sprockets, Chevy, Big Block, Set

Part Number: SUM-G6610R-B

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Proform Stamped Steel Chevrolet Valve Covers 141-750

Valve Covers, Stock Height, 1.22 in. Dia. Holes, with 0.75 in. I.D./1 in. I.D. Grommets, Steel, Black Crinkle, Chevrolet Logo, Chevy, Small Block,Pair

Part Number: PRO-141-750

4.95 out of 5 stars ( 42 )

Estimated Ship Date: Today

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Summit Racing™ BBC, Ford Modified V8, Cleveland, Big Block Cast Steel Roller Tip Rocker Arms SUM-141709PL

Rocker Arms, Roller Tip, Cast Steel, 7/16 in. Stud Mount, 1.72 Ratio, Polylocks, Chevy, Ford, Set of 16

Part Number: SUM-141709PL

3.88 out of 5 stars ( 24 )

Estimated Ship Date: Today

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COMP Cams Steel Valve Spring Retainers 741-16

COMP Cams Steel Valve Spring Retainers 741-16

Valve Spring Retainers, Steel, 10 Degree, 1.550 in. Outside Diameter, .690 in. Inside Diameter, Set of 16

Part Number: CCA-741-16

4.61 out of 5 stars ( 28 )

Estimated Ship Date: Today

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Summit Racing™ Billet Steel Timing Chain and Gear Set for SBC and GM 4.6L V6 SUM-G6600R-B

Timing Chain and Gear Set, True Roller, Double Roller, Billet Steel Sprockets, Chevy, V6/V8 Small Block, Set

Part Number: SUM-G6600R-B

5.0 out of 5 stars ( 12 )

Estimated Ship Date: Today

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COMP Cams Steel Valve Spring Retainers 787-16

Valve Spring Retainers, Steel, 7 Degree, 1.055 in. Outside Diameter, .640 in. Inside Diameter, Set of 16

Part Number: CCA-787-16

4.84 out of 5 stars ( 37 )

Estimated Ship Date: Today

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Summit Racing™ Billet Steel Timing Chain and Gear Set for SBF Windsor SUM-G6620R-B

Timing Chain and Gear Set, True Roller, Double Roller, Billet Steel Sprockets, Ford, Small Block, For use with 1-Piece Fuel Pump Eccentric, Set

Part Number: SUM-G6620R-B

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Trick Flow® Billet Steel Timing Sets TFS-52578520

Timing Chain and Gear Set, True Roller, Double Roller, Billet Steel Sprockets, Ford, Small Block, Set

Part Number: TFS-52578520

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Summit Racing™ Cast Steel Roller Tip Rocker Arms SUM-141700PL

Rocker Arms, Roller Tip, Self-Aligning, Cast Steel, 3/8 in. Stud Mount, 1.5 Ratio, Polylocks, Chevy, Small Block, Set of 16

Part Number: SUM-141700PL

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Proform Stamped Steel Chevrolet Valve Covers 141-899

Valve Covers, Steel, Chrome, Chevrolet Logo, Chevy, Small Block, Pair

Part Number: PRO-141-899

4.49 out of 5 stars ( 69 )

Estimated Ship Date: Today

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Ford Performance Parts Stamped Steel Valve Covers 302-071

Valve Covers, Tall, Stamped Steel, Chrome, Ford Racing Logo, Ford Small Block, Pair

Part Number: FMS-302-071

4.57 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Summit Racing™ Steel Rocker Arms SUM-G6800

Rocker Arms, Stud Mount, OEM-Style, Stamped Steel, 1.5 Ratio, Fits 3/8 in. Stud, Chevy, Small Block, Set of 16

Part Number: SUM-G6800

4.86 out of 5 stars ( 56 )

Estimated Ship Date: Today

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Proform Stamped Steel Chevrolet Valve Covers 141-751

Valve Covers, Tall, Steel, Black Wrinkle, Chevrolet Logo, Chevy, Small Block, Pair

Part Number: PRO-141-751

4.57 out of 5 stars ( 30 )

Estimated Ship Date: Today

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Eagle Forged 4140 Steel Crankshafts 534640006100

Crankshaft, 4140 Steel, Forged, 4.000 in. Stroke, Chevy LS1, 24-Tooth Reluctor, Each

Part Number: ESP-534640006100

Not Yet Reviewed

Estimated Ship Date: Today

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Proform Stamped Steel Chevrolet Valve Covers 141-813

Valve Covers, Tall, Steel, Chrome, Chevrolet Logo, Chevy, Big Block, Pair

Part Number: PRO-141-813

4.02 out of 5 stars ( 43 )

Estimated Ship Date: Today

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Eagle Cast Steel Crankshafts 103514000

Crankshaft, 1 or 2-Piece Seal, 28 oz. External Balance, Cast Steel, 4.00 in. Stroke, Ford, 351W, Each

Part Number: ESP-103514000

Not Yet Reviewed

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Howards Cams Double Roller Billet Steel Timing Sets 94300

Timing Chain and Gear Set, Double Roller, Billet Steel Sprockets, Chevy, Small Block V8, Set

Part Number: HRS-94300

3.5 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Eagle Cast Steel Crankshafts 10350375057I

Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 3.75 in. Stroke, Chevy, 350, Each

Part Number: ESP-10350375057I

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Eagle Forged 4340 Steel Crankshafts 439637666135

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.766 in. Stroke, Chevy, 396, 427, Each

Part Number: ESP-439637666135

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

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