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 260

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: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

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: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

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: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

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: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

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: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

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: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

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: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

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: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

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: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

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: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

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-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

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

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

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

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

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

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

Accutronix Oil Filter and Voltage Regulator Mounts RM2141-C

Oil Filter and Voltage Regulator Mounts, Billet Aluminum Bracket, Chrome Plated, Harley-Davidson®, Kit

Part Number: AIX-RM2141-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 Oil Filter and Voltage Regulator Mounts RM2141-P

Oil Filter and Voltage Regulator Mounts, Billet Aluminum Bracket, Polished, Harley-Davidson®, Kit

Part Number: AIX-RM2141-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

HardDrive Regulator Oil Filter Mounts 820-0715

REGULATOR OIL FILTER MOUNT

Part Number: HDD-820-0715

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

URO Parts PCV and Crankcase Breather Hoses for 1998-2002 Z3 - 11611432559

Hose, Engine Crankcase Breather Hose, Valve Cover to Pressure Regulating Valve, BMW, Each

Part Number: URO-011411

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

Biker's Choice Oil Filter Mounts 490004

OIL FLTR/REGULATOR MNT KIT

Part Number: BKC-49-0004

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

HardDrive Products Oil Filter Mounts 14-027

REGULATOR OIL FILTER MOUNT

Part Number: HDD-14-027

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

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