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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Trick Flow® Double Platinum .660 LS Dual Valve Spring and Retainer Kits TFS-2500286P

Valve Spring Kit, Dual Valve Springs, Chromoly Retainers, Locks, Seals, Chevy, LS, Kit

Part Number: TFS-2500286P

3.23 out of 5 stars ( 13 )

Estimated Ship Date: Today

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Summit Racing™ Bracket Racer SFI Harmonic Dampers for 1998-2002 CAMARO, FIREBIRD, 2004-2006 GTO - SUM-C2500

Harmonic Balancer, Damper, Internal Balance, Medium Spacing, Steel, Clearcoated, Chevy, Pontiac, 5.7, 6.0L, Each

Part Number: SUM-C2500

4.5 out of 5 stars ( 10 )

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Trick Flow® Valve Spring Upgrade Kits TFS-2500100

Trick Flow® Valve Spring Upgrade Kits TFS-2500100

Valve Springs, Retainers, Single Springs, Steel Retainers, Steel Locks, Single Groove, Kit

Part Number: TFS-2500100

4.68 out of 5 stars ( 60 )

Estimated Ship Date: Today

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March Performance Adjustment Rod Bodies R-2.500

Threaded Sleeve, Stainless Steel, Natural, 2.500 in. Length, 3/8 in.-24 Threads, Each

Part Number: MCH-R-2500

5.0 out of 5 stars ( 4 )

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Pioneer Balancers DA-2500

Harmonic Balancer, Internal Balance, 6.685 in. Diameter, Iron, Buick/Chevy/GMC/Olds/Pontiac, Inline 6, Each

Part Number: PIO-DA-2500

Not Yet Reviewed

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Sealed Power Valves V-2500

Valve, Exhaust, Toyota, 1456, Each

Part Number: SLP-V-2500

Not Yet Reviewed

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Trick Flow® Double Platinum .660 LS Dual Valve Spring and Retainer Kits TFS-2500287P

Nano-Peened Dual Valve springs, Titanium retainers, 160 lbs. seat pressure. 425 lbs. open at .670 lift. LS1, LS6, LS2, LS3, LQ4, LQ9, L92, Kit

Part Number: TFS-2500287P

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Trick Flow® Valve Spring Upgrade Kits TFS-2500200

Valve Springs, Retainers, Track Heat®, Single Springs, Steel Retainers, Steel Locks, Single Groove, Kit

Part Number: TFS-2500200

5.0 out of 5 stars ( 6 )

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Trick Flow® Valve Spring Upgrade Kits for Ford 4.6L/5.4L 2V Engines TFS-2500500

Twisted Wedge Valve Spring Upgrade, Steel Retainers, Steel Locks, 3-Groove, Ford, 4.6L/5.4L 2V, Kit

Part Number: TFS-2500500

Not Yet Reviewed

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Wiseco 2-Stroke Piston Rings for 1980-1984 PE175 - 2500CD

Piston Rings, Chrome, 63.50mm, Suzuki, Set

Part Number: WIS-2500CD

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Wiseco 2-Stroke Piston Rings 2500CS

63.50 MM RING SET

Part Number: WIS-2500CS

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Sealed Power A-Series Rod Bearings 8-2500RAA

Rod Bearings, A-Series, Standard Size, Bi Metal, AMC, Buick, Chevy, GMC, Oldsmobile, Pontiac, Jeep, Rover

Part Number: SLP-8-2500RAA

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Trick Flow® Valve Spring Upgrade Kits for Ford 4.6L/5.4L 2V Engines TFS-2500525

Twisted Wedge® Track Heat® Valve Spring Upgrade, Steel Retainers, Steel Locks, 3-Groove, Ford, 4.6L/5.4L 2V, Kit

Part Number: TFS-2500525

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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ACL Performance Race Series Rod Bearing Sets 6B2500H-25

NissanVR38DETT (GT-R R35) 3.8L V6 Twin TurboTri-Metal - .25mm .010" undersize

Part Number: PEB-6B2500H-25

Not Yet Reviewed

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Moroso Oil Return Screen Kits 25001

Oil Return Screen Kit, Chevy, Big Block, Kit

Part Number: MOR-25001

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Continental Belts and Hoses Powersports Drive Belts 4/8V2500

HY-T WEDGE TORQUE TEAM BELTS

Part Number: CEL-4-8V2500

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

Derale Oil Filter Adapters 25005

Oil Filter Adapter, Remote Mount Style, 3/4-16 in. Nipple Thread, Aluminum, Polished, 3/8 in. NPT Inlet/Outlet

Part Number: DER-25005

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Dart Valve Spring Retainers 25000112

Valve Spring Retainer, Steel, 10 Degree, 1.440 in. Outside Diameter, Each

Part Number: DRT-25000112

Not Yet Reviewed

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Moroso Oil Return Screen Kits 25000

Oil Return Screen Kit, Chevy, Small Block, Kit

Part Number: MOR-25000

Not Yet Reviewed

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Dart Valve Spring Retainers 25000111

Valve Spring Retainer, Steel, 7 Degree, 1.250 in. Outside Diameter, Each

Part Number: DRT-25000111

Not Yet Reviewed

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Howards Cams Hydraulic Flat Tappet Camshafts 250061-10

Camshaft, Hydraulic Flat Tappet, Advertised Duration 301/301, Lift .595/.595, Ford, 352-428 FE, Each

Part Number: HRS-250061-10

Not Yet Reviewed

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D.S.S. FX-Series Forged 2618 Alloy Pistons 2-5000-4000C

2-5000-4000c-300-l6-ford-6-cylinder-2-fx-series-5cc-l6-flat-top-forged-piston-set-4-000-bore

Part Number: DMS-2-5000-4000C

Not Yet Reviewed

Estimated Ship Date: Jan 29, 2026 if ordered today

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Estimated Ship Date: Jan 29, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-5000-4030C

2-5000-4030c-300-l6-ford-6-cylinder-2-fx-series-5cc-l6-flat-top-forged-piston-set-4-030-bore

Part Number: DMS-2-5000-4030C

Not Yet Reviewed

Estimated Ship Date: Jan 29, 2026 if ordered today

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Estimated Ship Date: Jan 29, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-5000-4040C

2-5000-4040c-300-l6-ford-6-cylinder-2-fx-series-5cc-l6-flat-top-forged-piston-set-4-040-bore

Part Number: DMS-2-5000-4040C

Not Yet Reviewed

Estimated Ship Date: Jan 29, 2026 if ordered today

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Estimated Ship Date: Jan 29, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-5000-4050

Piston Set, 390 FE 2-FX Series -5cc FE Flat Top Piston Set. 4.050 bore

Part Number: DMS-2-5000-4050

Not Yet Reviewed

Estimated Ship Date: Jan 29, 2026 if ordered today

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Estimated Ship Date: Jan 29, 2026 if ordered today

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