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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 38

Cylinder Head, Freedom Series Duramax, Cupless Injectors Bore, Driver side , 6.6L, LB7, Chevy, GMC, Each

Part Number: FLE-S0401

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Rocker Arm, Replacement, Stamped Steel, Stud Mount, Dodge, Ram, 5.9L, 6.7L, Diesel, Pair

Part Number: FLE-S0424

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Cylinder Head, Freedom Series Duramax, Cupless Injectors Bore, Passenger side , 6.6L, LB7, Chevy, GMC, Each

Part Number: FLE-S0402

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PLUG, 2011-2015 DURAMAX LML REAR ENGINE COVER COOLANT RETURN PLUG

Part Number: FLE-FPE-LML-CP

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Cylinder Head, Freedom Remanufactured Duramax, Passenger side, 6.6L, LML, Chevy, GMC, Each

Part Number: FLE-FPE6110004P

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Cylinder Head, Freedom Duramax, Driver side, 6.6L, LML, Chevy, GMC, Each

Part Number: FLE-FPE6110004D

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Valve Springs, Retainers, Single Springs, Chromoly Steel Retainers, Dodge, Ram, 5.9L, 6.7L, Kit

Part Number: FLE-FPE-34797

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Rocker Arm Bridges,1998.5+ 24v 5.9L/6.7L Cummins Fleece Performance Cummins

Part Number: FLE-FPE-BRAB-C1

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Engine Coolant Plug Fasteners, Bolts, Internal Allen Head, 16mm and 18mm Allen Head Sizes, Dodge, Ram, 6.7L Cummins, Kit

Part Number: FLE-S0061

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Cylinder Head, 2004.5-2005 Factory LLY Duramax Cylinder Head (Passenger Side)

Part Number: FLE-FPE6110002P

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Cylinder Head, 2006-2010 Factory LBZ/LMM Duramax Cylinder Head (Passenger Side)

Part Number: FLE-FPE6110003P

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

CCV Tube Coupler, Billet Aluminum, Black Anodized, Ram, Cummins, Each

Part Number: FLE-S0494

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Pushrods, Assembled, One-Piece, 3/8 in. Diameter, Stock Length, 0.135 in. Wall Thickness, Steel, Heat Treated, Cup/Ball Tip, Dodge, Ram, Set of 16

Part Number: FLE-S0355

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Fitting, Cylinder Head Thermostat Plug, Dodge, Ram, Diesel, Each

Part Number: FLE-S0550

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Rocker Arm Bridge, Billet Steel, 6.6L, Duramax, Chevy, GMC, Each

Part Number: FLE-FPE-BRAB-D1

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Fittings, Transmission Heat Exchanger Bypass Plug, Line Caps, Dodge, Diesel, Kit

Part Number: FLE-FPE-34382

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Cylinder Head, 2004.5-2005 Factory LLY Duramax Cylinder Head (Driver Side)

Part Number: FLE-FPE6110002D

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Cylinder Head, 2006-2010 Factory LBZ/LMM Duramax Cylinder Head (Driver Side)

Part Number: FLE-FPE6110003D

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Oil Fill Cap Cover, Billet Aluminum, Black Anodized, Dodge, Ram, Each

Part Number: FLE-FPE-OC-CR-F

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Estimated Ship Date: Apr 20, 2026 if ordered today

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6.7L Freedom Series Cummins Cylinder Head (Street HD)

Part Number: FLE-FPE6110007HD

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Fan Pulley, Serpentine, Aluminum, Natural, Cummins, 5.9L, 6.7L, Dodge, RAM, Each

Part Number: FLE-FPE-34660-AL

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Oil Fill Cap Cover, Billet Aluminum, Red Anodized, Dodge, Ram, Each

Part Number: FLE-FPEOCCRFRED

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Cylinder Head, Freedom Series Duramax, Driver side , 6.6L, L5P, Chevy, GMC, Each

Part Number: FLE-S0555

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

Idler Pulley, Upper Fan Idler Pulley, Electric Waterpump, Smooth, Aluminum, Black Finish Contrast Cut, Dodge, Ram, Cummins, Each

Part Number: FLE-S0347

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Engine Oil Cap, Billet Aluminum, Fleece Performance Logo, Blue, Chevy, GMC, 6.6L, Each

Part Number: FLE-FPEDMAXOCBLU

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today