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 158

Improved Racing Adjustable PCV and Turbo Oiling Restrictor Valves FO-06R

PCV RESTRICTOR VALVE -6AN

Part Number: IRP-FO-06R

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Moroso Oil Restrictor Kits 22045

Oil Restrictor, Ford, 289-351W, Dart Iron Eagle, Kit

Part Number: MOR-22045

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Allstar Performance Oil Restrictors ALL90072

Oil Restrictors, 0.0850 in. Orifice Size, 1/4 in. NPT Thread, Chevy, Small Block, Pair

Part Number: AAF-ALL90072

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Allstar Performance Oil Restrictors ALL90071

Oil Restrictors, .055 in ID, Steel with Allen Head, Chevrolet, Small Block V8, Bowtie Block, Pair

Part Number: AAF-ALL90071

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Moroso Oil Restrictor Kits 22016

Oil Restrictors, .0625 in. Orifice Diameter, Chevy, Big Block, Pair

Part Number: MOR-22016

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Moroso Oil Restrictor Kits 22010

Oil Restrictors, .0625 in. Orifice Diameter, Chevy, Big Block/Small Block, Pair

Part Number: MOR-22010

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Moroso Oil Restrictor Kits 22050

Oil Restrictors, .060 in. Orifice Diameter, Ford, Cleveland, Set of 5

Part Number: MOR-22050

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Engine Works Oil Restrictors 402000

Oil Restrictors, Aluminum, Chevy, Big Block/Small Block, Pair

Part Number: EW1-402000

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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COMP Cams Oil Restrictors 4917CPG

COMP Cams Oil Restrictors 4917CPG

Oil Restrictors, .055 in. Orifice Diameter, Chevrolet, Big Block/Small Block, Pair

Part Number: CCA-4917

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Moroso Oil Restrictor Kits 22018

Oil Restrictors, Dart SHP, Chevy, Small Block, Pair

Part Number: MOR-22018

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Moroso Oil Restrictor Kits 22017

Oil Restrictor Kit, Merlin II Block, 0.0625 in. Orifice Diameter, Pair

Part Number: MOR-22017

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Milodon Oil Flow Restrictor Plugs 23100

Oil Restrictors, .0625 in. Orifice Diameter, Aluminum, Chevy, Big Block/Small Block, Pair

Part Number: MIL-23100

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Allstar Performance Oil Restrictors ALL90070

Oil Restrictors, .0550 in. Orifice Diameter, Chevy, Big Block/Small Block, Pair

Part Number: AAF-ALL90070

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Moroso Oil Restrictor Kits 22000

Oil Restrictors, .060 in. Orifice Diameter, Chevy, Big Block/Small Block, Pair

Part Number: MOR-22000

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Allstar Performance Oil Restrictors ALL90073

Oil Restrictors, 0.0300 in. Orifice Size, Fits Dart SHP Small-block Chevrolet Blocks, Pair

Part Number: AAF-ALL90073

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Stef's Fabrication Oil Restrictors 48010

OIL RESTRICTOR KITS

Part Number: STF-48010

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

Stef's Oil Restrictors 48000

Oil Restrictors, .055 in ID, Chevrolet, Small Block, Big Block, V8, Pair

Part Number: STF-48000

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Dart Oil Restrictors 32890375

OIL RESTRICTOR

Part Number: DRT-32890375

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

Dart Oil Restrictors 32890125

OIL RESTRICTORS

Part Number: DRT-32890125

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

Pioneer Automotive Oil Restrictors 839031

Oil Restrictors

Part Number: PIO-839031

Not Yet Reviewed

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Pioneer Automotive Oil Restrictors 839041

Oil Restrictors

Part Number: PIO-839041

Not Yet Reviewed

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Stef's Fabrication Oil Restrictors 48000B

OIL RESTRICTOR KIT, SBC & BBC, .055" I.D. HOLE, PIECE

Part Number: STF-48000B

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Stef's Fabrication Oil Restrictors 48020

OIL RESTRICTOR KITS

Part Number: STF-48020

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Brodix Cylinder Heads Oil Restrictors 8BBBOILRESTR

OIL RESRTICTOR BBC

Part Number: BRO-8BBBOILRESTR

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

Stef's Fabrication Oil Restrictors 48010B

OIL RESTRICTOR KIT, SBC & BBC, .070" I.D. HOLE, 50 PAIR

Part Number: STF-48010B

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

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