Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
Engines & Components
Availability
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.
Showing In Stock Items. Show All 158 Items.
PCV RESTRICTOR VALVE -6AN
Part Number: IRP-FO-06R
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Oil Restrictors, 0.0850 in. Orifice Size, 1/4 in. NPT Thread, Chevy, Small Block, Pair
Part Number: AAF-ALL90072
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Oil Restrictors, .055 in ID, Steel with Allen Head, Chevrolet, Small Block V8, Bowtie Block, Pair
Part Number: AAF-ALL90071
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Oil Restrictor, Ford, 289-351W, Dart Iron Eagle, Kit
Part Number: MOR-22045
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Oil Restrictors, .0625 in. Orifice Diameter, Chevy, Big Block, Pair
Part Number: MOR-22016
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Oil Restrictors, .060 in. Orifice Diameter, Ford, Cleveland, Set of 5
Part Number: MOR-22050
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Oil Restrictors, .0625 in. Orifice Diameter, Chevy, Big Block/Small Block, Pair
Part Number: MOR-22010
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Oil Restrictors, Aluminum, Chevy, Big Block/Small Block, Pair
Part Number: EW1-402000
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Oil Restrictors, .055 in. Orifice Diameter, Chevrolet, Big Block/Small Block, Pair
Part Number: CCA-4917
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Oil Restrictors, Dart SHP, Chevy, Small Block, Pair
Part Number: MOR-22018
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Oil Restrictors, .0625 in. Orifice Diameter, Aluminum, Chevy, Big Block/Small Block, Pair
Part Number: MIL-23100
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Oil Restrictor Kit, Merlin II Block, 0.0625 in. Orifice Diameter, Pair
Part Number: MOR-22017
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Oil Restrictors, .0550 in. Orifice Diameter, Chevy, Big Block/Small Block, Pair
Part Number: AAF-ALL90070
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Oil Restrictors, .060 in. Orifice Diameter, Chevy, Big Block/Small Block, Pair
Part Number: MOR-22000
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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
Estimated Ship Date: Tomorrow
Oil Galley Plugs, Engine Block Oil Restrictor Galley Plug Passage Barbells, Nylon, O-ring, Chevy, Small Block LS, Each
Part Number: ICB-551284
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Engine Block, Cast Iron, 4-Bolt Mains, 4.090 in. Bore, 1-Piece Rear Seal, Non-VVT, Dodge, RAM, Hemi, Gen III, Each
Part Number: DRT-31612211
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Engine Block, Cast Iron, 4-Bolt Mains, 3.927 in. Bore, 1-Piece Rear Seal, Non-VVT, Dodge, RAM, Hemi, Gen III, Each
Part Number: DRT-31612111
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Engine Block, Cast Iron, Nodular Iron Splayed 4-Bolt Mains, 4.245 in. Bore, 2-Piece Seal, 9.800 in. Deck, Chevy, Big Block, Each
Part Number: WRL-091100
Not Yet Reviewed
Estimated Ship Date: Apr 23, 2026 if ordered today
Estimated Ship Date: Apr 23, 2026 if ordered today
Engine Block, Cast Iron, 4-Bolt Mains, 4.245 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Big Block, Each
Part Number: WRL-095000
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Dart Big M Sportsman Big Block Chevy Cast Iron Bare Blocks 31223444
Estimated Ship Date: Tomorrow
Engine Block, Cast Iron, Nodular Iron Splayed 4-Bolt Mains, 4.495 in. Bore, 2-Piece Seal, 9.800 in. Deck, Chevy, Big Block, Each
Part Number: WRL-091101
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Dart Big M Sportsman Big Block Chevy Cast Iron Bare Blocks 31223444
Estimated Ship Date: Tomorrow
Oil Pressure Regulators, Sleeper, 40 psi, Stainless Steel, Black Top, -4 AN O-ring Female Threads, Each
Part Number: TBS-TS-0801-1003
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Engine Block, Cast Iron, Nodular Iron Splayed 4-Bolt Mains, 4.595 in. Bore, 2-Piece Seal, 9.800 in. Deck, Chevy, Big Block, Each
Part Number: WRL-091102
Not Yet Reviewed
Estimated Ship Date: Apr 23, 2026 if ordered today
Estimated Ship Date: Apr 23, 2026 if ordered today
Engine Block, Cast Iron, Nodular Iron Splayed 4-Bolt Mains, 4.495 in. Bore, 2-Piece Seal, 10.200 in. Deck, Chevy, Big Block, Each
Part Number: WRL-091111
Not Yet Reviewed
Estimated Ship Date: Apr 23, 2026 if ordered today
Estimated Ship Date: Apr 23, 2026 if ordered today
Engine Block, Cast Iron, 4-Bolt Mains, 4.250 in. Bore, 1-Piece Rear Seal, Non-VVT, Dodge, RAM, Hemi, Gen III, Each
Part Number: DRT-31622111
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
