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 373

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: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Summit Racing™ Pro LS Piston Rings SUM-136SN9045035

Piston Rings, Gas Nitrided Steel Top, Martensitic Ductile Napier Second, Std. Tension Oil, File Fit for 4.030 in. Bore, 1.2mm, 1.2mm, 3.0mm, Set

Part Number: SUM-136SN9045035

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Moroso Vacuum Pump Regulators 22633

Vacuum Pump Regulator, Billet Aluminum, -12 AN Fitting, Each

Part Number: MOR-22633

5.0 out of 5 stars ( 1 )

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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Estimated Ship Date: 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: Today

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Estimated Ship Date: Today

Peterson Fluid Systems Vacuum Regulators 08-0455

Vacuum regulator, Straight, -12 AN, Aluminum, Black, Adjustable, Each

Part Number: PFF-08-0455

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Moroso Billet Aluminum Adjustable Vacuum Relief Valves 22631

Vacuum Relief Valve; Face Seal; Face To Face Thru Sheet Metal

Part Number: MOR-22631

4.4 out of 5 stars ( 5 )

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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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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Aeromotive Vacuum Pump Regulators 33101

Vacuum Pump Regulator, Straight Type, Billet Aluminum, Black/Red Anodized, -12 AN, 1/8 in. NPT Port, Each

Part Number: AEI-33101

Not Yet Reviewed

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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Accutronix Voltage Regulator Mounts RM2140-C

Voltage Regulator Bracket, Billet Aluminum, Chrome Plated, Harley-Davidson®, Each

Part Number: AIX-RM2140-C

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Accutronix Voltage Regulator Mounts RM2140-P

Voltage Regulator Bracket, Billet Aluminum, Polished, Harley-Davidson®, Each

Part Number: AIX-RM2140-P

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Accutronix Voltage Regulator Mounts RM2140-5

Voltage Regulator Bracket, Brass, Natural, Harley-Davidson®, Each

Part Number: AIX-RM2140-5

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

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: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Accutronix Voltage Regulator Mounts RM2140-B

Voltage Regulator Bracket, Billet Aluminum, Black Anodized, Harley-Davidson®, Each

Part Number: AIX-RM2140-B

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 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: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Dorman Oil Pressure Regulators 926-600

Oil Pressure Valve

Part Number: RNB-926-600

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

Peterson Fluid Systems Vacuum Pump Regulators STR0305001

VACUUM REGULATOR, VAC REGULATOR PUMP MOUNTED

Part Number: PFF-STR0305001

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 2026 if ordered today

Dorman Oil Pressure Regulators 926-544

Oil Pump Solenoid

Part Number: RNB-926-544

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

Dorman Oil Pressure Regulators 904-070

Oil Stand Pipe

Part Number: RNB-904-070

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

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: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 2026 if ordered today

Peterson Fluid Systems Vacuum Pump Regulators STR0207011

VACUUM REGULATOR, VACUUM REGULATOR PLUG

Part Number: PFF-STR0207011

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 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: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 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: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 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: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

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