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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Diamond Pistons Piston Wrist Pin Retainers DIESELBUTTONS

DIESEL Pin Buttons

Part Number: DPP-S0516

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Summit Racing™ High-Pressure Connector Fuel Feed Pipes SUM-240085-B

Diesel Fuel Injector Tubes, Ball Tube, Steel, Ford, Each

Part Number: SUM-240085-B

Not Yet Reviewed

Estimated Ship Date: Today

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Melling Diesel Fuel Injector Nozzles 5468N

Engine Oil Injector Spray Nozzle, Stock

Part Number: MEL-5468N

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

PROMAXX Performance GM 6.5 Diesel Cylinder Heads *:CHE855N

Cylinder Head, OE-Replacement, Assembled, Cast Iron, Natural, Chevy, GMC, V8, 6.5L, Diesel, Each

Part Number: PMX-CHE855N

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Today

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ATI Super Damper Diesel Harmonic Balancers for 2001-2005 SILVERADO 2500 HD, SILVERADO 3500 - ATI917371

Harmonic Balancer, Super Damper, External Balance, Steel, Chevy/GMC, Duramax Diesel, Each

Part Number: ATI-917371

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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ATI Super Damper Diesel Harmonic Balancers ATI917376

Harmonic Balancer, Super Damper, External Balance, Steel, Chevy/GMC, Duramax Diesel, Each

Part Number: ATI-917376

Not Yet Reviewed

Estimated Ship Date: Today

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BD Diesel High-Pressure Oil Pumps BOSHPOP-008X

Oil Pump, High Pressure, HPOP, High Volume, High-Pressure, Ford, 7.3L, Each

Part Number: BDD-BOSHPOP-008X

Not Yet Reviewed

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Summit Racing™ Diesel Performance Pistons SUM-PWR6475

Ford 6.4 Powerstroke, 2008-10, 3.896 in. .75mm oversize, reduced height for decked block, 37.77cc

Part Number: SUM-PWR6475

Not Yet Reviewed

Estimated Ship Date: Today

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ATI Super Damper Diesel Harmonic Balancers ATI917375

Harmonic Balancer, Super Damper, Internal Balance, Steel, Dodge, Ram, 6.7L Diesel, Each

Part Number: ATI-917375

Not Yet Reviewed

Estimated Ship Date: Today

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ATI Super Damper Diesel Harmonic Balancers ATI917369

Harmonic Balancer, Super Damper, External Balance, Steel, Chevy/GMC, Duramax Diesel, Each

Part Number: ATI-917369

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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ATI Super Damper Diesel Harmonic Balancers for 2003-2007 RAM 2500, RAM 3500 - ATI917374

Harmonic Balancer, Super Damper, Internal Balance, Steel, Dodge, Cummins Diesel, Each

Part Number: ATI-917374

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Mahle Cast Aluminum Diesel Piston and Ring Kits 930036055T

Mahle Cast Aluminum Diesel Piston and Ring Kits 930036055T

Piston and Ring Kit, Thermal Barrier Coating, Cast, Dish, 4.055 in. Bore, Chevrolet, Duramax Diesel, V8, Kit

Part Number: MLE-930036055T

Not Yet Reviewed

Estimated Ship Date: Feb 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today

ATI Super Damper Diesel Harmonic Balancers ATI917361

Harmonic Balancer, Super Damper Diesel, Internal Balance, Steel, Elastomer, SFI 18.1, International, Each

Part Number: ATI-917361

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

ATI Super Damper Diesel Harmonic Balancers ATI917363

Harmonic Balancer, Super Damper Diesel, External Balance, Steel, Elastomer, SFI 18.1, John Deere, Each

Part Number: ATI-917363

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Standard Motor Diesel Injection High-Pressure Oil Pumps HPI18

Diesel Injection High Pressure Oil Pump, IC Corporation, International, Each

Part Number: SMP-HPI18

Not Yet Reviewed

Estimated Ship Date: Feb 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today

Mahle Cast Aluminum Diesel Piston and Ring Kits 930029855

Piston and Ring Kit, Cast, Dish, 4.055 in. Bore, Chevrolet, Duramax Diesel, V8, Kit

Part Number: MLE-930029855

Not Yet Reviewed

Estimated Ship Date: Feb 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today

Mahle Cast Aluminum Diesel Piston and Ring Kits 930036095

Piston and Ring Kit, Cast, Dish, 4.095 in. Bore, Chevrolet, Duramax Diesel, V8, Kit

Part Number: MLE-930036095

Not Yet Reviewed

Estimated Ship Date: Feb 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today

Mahle Forged Diesel Race Piston and Ring Kits 930036255

Piston and Ring Kit, Forged, Dish, 4.055 in. Bore, Chevrolet, Duramax Diesel, V8, Kit

Part Number: MLE-930036255

Not Yet Reviewed

Estimated Ship Date: Feb 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today

Summit Racing™ Pro Diesel Camshafts SUM-9001R1

Camshaft, Duramax Pro 1 Cam, 184/187 Duration @.050 in., 105.5 LSA, +2 advanced., Intake .389/Exhaust .392 Lift, Revised Firing Order, Each

Part Number: SUM-9001R1

Not Yet Reviewed

Estimated Ship Date: Today

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Summit Racing™ Diesel Performance Pistons SUM-670714-5

Dodge Cummins 6.7L OCG 2007-14, 4.232 in. .5mm oversize, Standard height, 51.2cc piston set

Part Number: SUM-670714-5

Not Yet Reviewed

Estimated Ship Date: Today

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Summit Racing™ Diesel Performance Pistons SUM-PWER7375

Ford 7.3 Powerstroke, 1994-03, 4.140 in. .75mm oversize, Standard Height, 40.1cc Piston Set

Part Number: SUM-PWER7375

Not Yet Reviewed

Estimated Ship Date: Today

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PRW Fulcrum Upgrade Kits for Dodge Cummins Diesel 9540810

Rocker Arm Fulcrum Upgrade Kit, Bronze Bushing, Dodge, Cummins, 5.9L/6.4L 24 Valve, Set of 12

Part Number: PQX-9540810

Not Yet Reviewed

Estimated Ship Date: Apr 2, 2026 if ordered today

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Estimated Ship Date: Apr 2, 2026 if ordered today

Mahle Cast Aluminum Diesel Piston and Ring Kits 930036075T

Pistons, Performance, 4.075 in. Bore, 3.898 in. Stroke, 6.417 in. Rod, Cast, Thermal Coated, Includes Rings, Chevrolet, Duramax, Kit

Part Number: MLE-930036075T

Not Yet Reviewed

Estimated Ship Date: Feb 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today

Mahle Forged Diesel Race Piston and Ring Kits 197946255

Piston and Ring Kit, Dish, Forged Aluminum, 4.055 in. Bore, 4.724 in. Stroke, Dodge, Cummins, 24v, Set of 6

Part Number: MLE-197946255

Not Yet Reviewed

Estimated Ship Date: Feb 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today

Mahle Forged Diesel Race Piston and Ring Kits 197946335

Piston and Ring Kit, Dish, Forged Aluminum, 4.035 in. Bore, 4.724 in. Stroke, Dodge, Cummins, 24v, Set of 6

Part Number: MLE-197946335

Not Yet Reviewed

Estimated Ship Date: Feb 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today

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