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Engines & Components

Engines & Engine Parts

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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.

Individual Parts

Results 1 - 25 of 357

Crate Engine, Long Block, Chevy, Small Block, Dressed Engine, SBC 400 Crate Motor Aluminum Heads, Each

Part Number: MLL-BP4002CTC1D

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Crate Engine, Long Block, 400 CID, 500 HP, 510 TQ, Aluminum Heads, Chevy, Small Block, Each

Part Number: MLL-BP4002CT1

4.78 out of 5 stars ( 9 )

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Crate Engine, Long Block, Chevy, Small Block, Dressed Engine, SBC 400 Crate Motor Aluminum Heads, Forged

Part Number: MLL-BP4002CTC1

4.56 out of 5 stars ( 9 )

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Crate Engine, GM 400 C.I.D. 500 HP Dressed Long Block, 4-bolt Mains, 850 cfm Carburetor, Front Accessory Drive System, Chevrolet, 6.6L, Each

Part Number: MLL-BP4002CTC1DK

4.5 out of 5 stars ( 2 )

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Crate Engine, GM 400 C.I.D. 500 HP Drop-in-Ready EFI Long Block, 4-bolt Mains, Throttle Body Style EFI, Front Accessory Drive System, Chevy, 6.6L,Each

Part Number: MLL-BP4002CTFDK

Not Yet Reviewed

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Crate Engine, Dressed, Long Block, 400 Stroker, 500 HP, 510 TQ, New Block, Aluminum Heads, Sniper EFI, Chevy, Small Block, Each

Part Number: MLL-BP4002CTFD

5.0 out of 5 stars ( 1 )

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Crate Engines, GM 400 C.I.D. 500 HP EFI Stroker Fully Dressed Long Block, 6.6L/400, Assembled, External Balance, Chevrolet, Small Block, Each

Part Number: MLL-BP4002CTF

5.0 out of 5 stars ( 1 )

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PULLEY

Part Number: PCH-DP400I06D

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Engine Rebuild Kit 90-84 CHV/GMC 7.4L

Part Number: EGN-MKC454D-400

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

Crate Engine, L8P Rotating Assembly, 6.6L, 400cid, 523 HP, 10.8:1 Compression, Cast Iron Block, Aluminum Heads, Hydraulic Roller Cam, Chevy, GMC, Each

Part Number: NAL-19435523

Not Yet Reviewed

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Crate Engines, GM 400 C.I.D. 508 HP Base Long Block with 6 in. Connecting Rods, 6.6L/400, Assembled, External Balance, Chevrolet, Small Block, Each

Part Number: MLL-BP4003CT1

Not Yet Reviewed

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Dressed Longblock w/ MPFI GM Small Block Compatible 400 C.I. Deluxe Dressed, Multi-Point Fuel Injected, with Polished Pulley Kit

Part Number: MLL-BP4002MPFIK

Not Yet Reviewed

Estimated Ship Date: Jun 4, 2026 if ordered today

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Estimated Ship Date: Jun 4, 2026 if ordered today

Piston Rings, Moly, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251K

4.2 out of 5 stars ( 45 )

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Piston Rings, Moly, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251K30

4.42 out of 5 stars ( 48 )

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Oil Pump, High-Volume, Standard Pressure, Chrysler, Big Block, B/RB, Each

Part Number: MEL-M63HV

4.6 out of 5 stars ( 25 )

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Piston Rings, Moly, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251K40

4.82 out of 5 stars ( 11 )

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Piston Rings, Plasma-moly, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-2M139030

4.64 out of 5 stars ( 14 )

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Piston Rings, Cast Iron, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251X

4.23 out of 5 stars ( 13 )

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Engine Dress-Up Kit, Valve Covers, Valve Cover Wing Nuts, Air Cleaner, Breather, Black Crinkle Powdercoated, MOPAR Logo, Small Block Mopar, LA, Kit

Part Number: PRO-440-758

5.0 out of 5 stars ( 6 )

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Piston Rings, Moly, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251K60

4.58 out of 5 stars ( 12 )

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Valve Covers, Steel, Black Crinkle, Mopar Logo, Mopar, Small Block LA, Pair

Part Number: PRO-440-751

4.82 out of 5 stars ( 22 )

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Rocker Arms, Shaft Mount, 1.5 Ratio, Aluminum, Roller Rockers, Shafts, Spacers, Chrysler, 318/340/360, Set 16

Part Number: PRO-66869

2.28 out of 5 stars ( 18 )

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Main Bearings, Standard Size, Bi Metal, 1/2 Groove, Chrysler, Dodge, Plymouth, 360, Set of 5

Part Number: SLP-4999MA

5.0 out of 5 stars ( 3 )

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Piston Rings, Plasma-moly, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: MAH-40564CP030

5.0 out of 5 stars ( 4 )

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Piston Rings, Plasma-moly, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-2M139

3.55 out of 5 stars ( 11 )

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