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 +

Turbosmart OPR V2 Oil Pressure Regulators TS-0811-0012

Oil Pressure Regulator, OPR V2 Turbo, 4 AN, Aluminum, Anodized Black, Each

Part Number: TBS-TS-0811-0012

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Summit Racing™ LS Oil Pan Pressure Relief Valve Plugs SUM-01-3454

Plug Fitting, LS Oil Pan Pressure Relief Valve, 14mm x 1.5 Size, Male Threads, Internal Allen Head, Crush Washer, Aluminum, Black, Each

Part Number: SUM-01-3454

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Peterson Fluid Systems Oil Pressure Relief Valves 09-0160

Peterson Fluid Systems Oil Pressure Relief Valves 09-0160

External Oil Pressure Regulator, Billet Aluminum, Adjustable, Universal, -10AN In/Out, Each

Part Number: PFF-09-0160

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Turbosmart ProOPR Rising Rate Turbo Oil Pressure Regulators TS-0811-1212

ProOPR Rising Rate Turbo Oil Pressure Regulator (Twin Outlet)

Part Number: TBS-TS-0811-1212

Not Yet Reviewed

Estimated Ship Date: Today

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Milodon Externally Adjustable Oil Pressure Regulators 21550

External Oil Pressure Regulator, Stainless Steel, Adjustable, Mopar Big Block/Hemi, 6.8/7.0/7.2L, Each

Part Number: MIL-21550

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Chevrolet Performance Oil Pressure Relief Valve Deflectors 12639759

Oil Pressure Relief Valve Deflector, Chevy, GMC, Pontiac, LS engines, Each

Part Number: NAL-12639759

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Turbosmart OPR T40 Oil Pressure Regulators TS-0801-1003

Oil Pressure Regulators, Sleeper, 40 psi, Stainless Steel, Black Top, -4 AN O-ring Female Threads, Each

Part Number: TBS-TS-0801-1003

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Turbosmart OPR T40 Oil Pressure Regulators TS-0801-1001

Oil Pressure Regulators, 40 psi, Stainless Steel, Blue Top, -4 AN O-ring Female Threads, Each

Part Number: TBS-TS-0801-1001

Not Yet Reviewed

Estimated Ship Date: Today

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ACDelco Engine Oil Pump Relief Valves 12608835

Pressure Relief Valves, Engine Oil Pump Relief Valves, Designed for 6.0L L96 Engines, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Each

Part Number: ADO-12608835

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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McLeod Flywheel Bolt Kits 1505

Pressure Plate Fasteners, 12-point Head, Steel, Black Oxide, 10mm x 1.5mm x 25mm, Chevrolet LS, Ford Modular, Set of 6

Part Number: MCL-1505

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Turbosmart Oil Pressure Regulators TS-0801-1012

Oil Pressure Regulator, ProOPR Rising Rate Turbo Oil Pressure Regulator

Part Number: TBS-TS-0801-1012

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Dorman Oil Pressure Regulators 926-600

Oil Pressure Valve

Part Number: RNB-926-600

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

S&S Cycle Pressure Relief Valves 31-6082

S&S Cycle 84-99 Pressure Relief Valve

Part Number: SSY-31-6082

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

URO Parts Powersports Oil Pressure Regulators 11417622768

Oil Pressure Control Valve

Part Number: URO-018884

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

PPE Oil Pressure Regulators 313030000

Ball Tube Kit for 2003-2007 Ford 6.0L Powerstroke

Part Number: PPE-313030000

Not Yet Reviewed

Estimated Ship Date: Feb 12, 2026 if ordered today

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Estimated Ship Date: Feb 12, 2026 if ordered today

Dorman Oil Pressure Regulators 904-070

Oil Stand Pipe

Part Number: RNB-904-070

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Dorman Oil Pressure Regulators 926-544

Oil Pump Solenoid

Part Number: RNB-926-544

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Peterson Fluid Systems Oil Pressure Relief Valves 09-0161

External Oil Pressure Regulator, Billet Aluminum, Adjustable, Universal, -12AN In/Out, Each

Part Number: PFF-09-0161

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Peterson Fluid Systems Oil Pressure Relief Valves 09-0160

5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Turbosmart OPR T40 Oil Pressure Regulators TS-0801-1002

Oil Pressure Regulators, 40 psi Maximum, Stainless Steel, Black Top, -4 AN O-ring Female Threads, Each

Part Number: TBS-TS-0801-1002

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Feb 19, 2026 if ordered today

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Estimated Ship Date: Feb 19, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Turbosmart OPR V2 Oil Pressure Regulators TS-0811-0012

4.75 out of 5 stars ( 3 )

Estimated Ship Date: Today

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ACDelco GM Genuine Parts Oil Pressure Relief Valves 55352596

Oil Pressure Regulators, ACDelco GM Genuine Parts Oil Pressure Relief Valves, Engine Oil Pressure Valve, Chevy, Pontiac, Saturn, Each

Part Number: ADO-55352596

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

ACDelco GM Genuine Parts Oil Pressure Relief Valves 55353187

VALVE,OIL PRESS RLF

Part Number: ADO-55353187

Not Yet Reviewed

Estimated Ship Date: Feb 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today

Mopar Replacement Fuel Pressure Regulators 68317311AA

VALVE, OIL PRESSURE, 2011-2019

Part Number: MOP-68317311AA

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Mopar Replacement Pressure Relief Valves 68516534AA

VALVE, OIL PRESSURE, 2001-2012

Part Number: MOP-68516534AA

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

S&S Cycle Pressure Relief Valves 500-0949

2017+ Pressure Relief Valve Kit

Part Number: SSY-500-0949

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

S&S Cycle Pressure Relief Valves 31-6082-S

84-99 Pressure Relief Valve

Part Number: SSY-31-6082-S

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

ACDelco GM Genuine Parts Engine Oil Drainback Valves 55563957

VALVE,OIL FLOW CHK

Part Number: ADO-55563957

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

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