Engines & Engine Parts

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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 1464

S&S Cycle Milwaukee 8 Gear Drive Cam Chest Kits 310-1014A

S&S Cycle 2017+ M8 Models Gear Drive 475G Cam Chest Kit w/ Black Pushrod Tubes - Oil Cooled

Part Number: SSY-310-1014A

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

S&S Cycle Milwaukee 8 Chain Drive Camshaft and Dynojet PV-3 Kits 330-0725

CHAIN DRIVE CAM, 475 CHAIN DRIVE CAM W/CAL

Part Number: SSY-330-0725

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

S&S Cycle Milwaukee 8 Chain Drive Camshaft Kits 330-0643

550C CHAIN DRIVE CAMS

Part Number: SSY-330-0643

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Pioneer Replacement Cylinder Head Fasteners for 1989-1997 METRO, 1985-1988 SPRINT - S-100

Cylinder Head Fasteners, Replacement, Bolt Style, Hex Head, Steel, Natural, Chevrolet, Geo, 1.0L, Set of 8

Part Number: PIO-S-100

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Harland Sharp Original Roller Rockers S1001

Harland Sharp Original Roller Rockers S1001

Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.5 Ratio, Fits 3/8 in. Stud, Chevy, Small Block, Set of 16

Part Number: CSP-S1001

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Harland Sharp Original Roller Rockers S1004

Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.5 Ratio, Fits 7/16 in. Stud, Chevy, Small Block, Set of 16

Part Number: CSP-S1004

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

JE Pistons Pro Seal Premium Sportsman Series Piston Rings S100S8-4030-5

Piston Rings, Plasma-moly, 4.030 in. Bore, 1/16 in. 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: JEP-S100S8-40305

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

JE Pistons Pro Seal Premium Sportsman Series Piston Rings S100S8-4500-5

Piston Rings, Plasma-moly, 4.500 in. Bore, 1/16 in. 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: JEP-S100S8-45005

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Manley Race Master Valves 12337-1

Valves, VALVE-S/D AFR 1.600 +.100

Part Number: MAN-12337-1

Not Yet Reviewed

Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

Pioneer Valve Spring Shims A-105-100

V. S. I.

Part Number: PIO-A-105-100

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Manley Severe Duty Series Stainless Steel Valves 11851-1

VALVE-S/D 1.625,+.100

Part Number: MAN-11851-1

Not Yet Reviewed

Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

Manley Valves 10760-1

VALVE-SBC S/F 2.080,+.100

Part Number: MAN-107601

Not Yet Reviewed

Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

Manley Valves 12811-8

VALVE-S/D 1.900,+.100

Part Number: MAN-12811-8

Not Yet Reviewed

Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

Manley Valves 12842-1

Valves, VALVE-S/D 2.300,+.100

Part Number: MAN-12842-1

Not Yet Reviewed

Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

Manley Valves 11712H-1

Valves, VALVE-S/D 2.080,+.100 HOLLOW

Part Number: MAN-11712H-1

Not Yet Reviewed

Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

JE Pistons Pro Seal Premium Sportsman Series Piston Rings S100S8-4310-5

Piston Rings, Plasma-moly, 4.310 in. Bore, 1/16 in. 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: JEP-S100S8-43105

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Harland Sharp Original Roller Rockers S1002

Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.6 Ratio, Fits 3/8 in. Stud, Chevy, Small Block, Set of 16

Part Number: CSP-S1002

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Manley Valves 10770-1

Valves, VALVE-S/F 2.100,+.100

Part Number: MAN-10770-1

Not Yet Reviewed

Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

Manley Valves 11908-1

Valves, VALVE-HEMI S/D 2.250 +.100

Part Number: MAN-11908-1

Not Yet Reviewed

Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

Manley Valves 10760-8

VALVE-S/F 2.080,+.100

Part Number: MAN-10760-8

Not Yet Reviewed

Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

Manley Severe Duty Series Stainless Steel Valves 11851-8

VALVE-S/D 1.625,+.100

Part Number: MAN-11851-8

Not Yet Reviewed

Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

JE Pistons Pro Seal Premium Sportsman Series Piston Rings S100S8-4350-5

Piston Rings, Plasma-moly, 4.350 in. Bore, 1/16 in. 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: JEP-S100S84350-5

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Harland Sharp Original Roller Rockers S1004-150

Rocker Arm, 7/16 in. Stud Mount, Full Roller, Aluminum, 1.5 Ratio, Chevy, Small Block, Set of 16

Part Number: CSP-S1004-150

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Manley Valves 12809-1

Valves, VALVE-S/D 1.940,+.100

Part Number: MAN-12809-1

Not Yet Reviewed

Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

Manley Valves 12809-8

VALVE-S/D 1.940,+.100

Part Number: MAN-12809-8

Not Yet Reviewed

Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

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