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Engines & Components

Engines & Engine Parts

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.

Individual Parts

Results 1 - 25 of 117

Piston Rings, True Seal Plasma-Moly, 4.160 in. Bore, V8, Set

Part Number: HRS-HRC485041555

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Piston Rings, True Seal Plasma-Moly, 4.035 in. Bore, V8, Set

Part Number: HRS-HRC485040305

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Piston Rings, True Seal Plasma-Moly, 4.045 in. Bore, V8, Set

Part Number: HRS-HRC485040405

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Piston Rings, True Seal Plasma-Moly, 4.170 in. Bore, V8, Set

Part Number: HRS-HRC485041655

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Piston Rings, Plasma-Moly, 4.155 in. Bore, 1/16 in., 1/16 in., 1/8 in. Thickness, 8-Cylinder, Set

Part Number: HRS-HRC487041555

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Piston Rings, Plasma-Moly, 4.125 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HRS-HRC486041255

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

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

Part Number: HRS-HRC486043105

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

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

Part Number: HRS-HRC486240305

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Piston Rings, Plasma-Moly, 4.020 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HRS-HRC486040205

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

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

Part Number: HRS-HRC486040305

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Piston Rings, Plasma-Moly, 4.060 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HRS-HRC486040605

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Piston Rings, Plasma-Moly, 4.145 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HRS-HRC486041455

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Piston Rings, Plasma-Moly, 4.155 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HRS-HRC486041555

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Piston Rings, Plasma-Moly, 4.165 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HRS-HRC486041655

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Piston Rings, Plasma-Moly, 4.560 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HRS-HRC486045605

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Piston Rings, Plasma-Moly, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HRS-HRC486240405

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Piston Rings, Plasma-Moly, 4.040 in. Bore, 1/16 in., 1/16 in., 1/8 in. Thickness, 8-Cylinder, Set

Part Number: HRS-HRC487040405

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Piston Rings, Plasma-Moly, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HRS-HRC486040405

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Piston Rings, Plasma-Moly, 4.250 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HRS-HRC486042505

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Piston Rings, Plasma-Moly, 4.280 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HRS-HRC486042805

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

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

Part Number: HRS-HRC486043505

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

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

Part Number: HRS-HRC486045005

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Piston Rings, Plasma-Moly, 4.530 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HRS-HRC486045305

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Piston Rings, Plasma-Moly, 4.600 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HRS-HRC486046005

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Piston Rings, Plasma-Moly, 4.125 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HRS-HRC486241255

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

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