Collection: Engine & Performance
Maximize Diesel Performance: Engine & Components for Diesel Trucks!
Rev up your diesel truck's power with our top-of-the-line Engine & Components. Elevate your driving experience with enhanced horsepower, torque, and responsiveness.Experience the thrill of a more powerful ride as our carefully selected components optimize engine efficiency. Say goodbye...
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2006-2010 Factory LBZ/LMM Duramax Cylinder Head (Passenger Side) Fleece Performance
Regular price $1,199.00 USDSale price $1,199.00 USD Regular priceUnit price / per$1,249.00 USDSale -
Freedom Series Duramax Cylinder Head for 17-23 L5P (Passenger Side) Fleece Performance
Regular price $1,199.00 USDSale price $1,199.00 USD Regular priceUnit price / per$1,249.00 USDSale -
Freedom Series 15W-40 Diesel Engine Oil (Case - 12 Quarts) Fleece Performance
Regular price $176.28 USDSale price $176.28 USD Regular priceUnit price / per$188.09 USDSale -
Freedom Series Duramax Cylinder Head for 17-23 L5P (Driver Side) Fleece Performance
Regular price $1,199.00 USDSale price $1,199.00 USD Regular priceUnit price / per$1,249.00 USDSale -
1/2 Inch Quick Connect to 3/4 Inch-16 O-ring (-8 AN) Fleece Performance
Regular price $16.99 USDSale price $16.99 USD Regular priceUnit price / per$17.99 USDSale -
OE Replacement Rocker Arm Assembly for 5.9L and 6.7L Cummins Engines Fleece Performance
Regular price $119.99 USDSale price $119.99 USD Regular priceUnit price / per$125.99 USDSale -
5.9L Freedom Series Cummins Cylinder Head (Street HD) 2003-2007 Dodge 2500-3500 Cummins Fleece Performance
Regular price $2,599.00 USDSale price $2,599.00 USD Regular priceUnit price / per$2,699.00 USDSale -
Freedom Series 15W-40 Diesel Engine Oil (1 Quart) Fleece Performance
Regular price $14.99 USDSale price $14.99 USD Regular priceUnit price / per$15.99 USDSale -
Duramax Oil Cooler Adapter O-Ring Kit Fleece Performance
Regular price $8.99 USDSale price $8.99 USD Regular priceUnit price / per$9.44 USDSale -
Heater Feed and Return Hose Kit for 1998.5-2002 Cummins Equipped Ram Fleece Performance
Regular price $79.99 USDSale price $79.99 USD Regular priceUnit price / per$83.99 USDSale -
Freedom Series HD Cylinder Head for the 6.0L PowerStroke - 20mm Dowel Fleece Performance
Regular price $1,599.00 USDSale price $1,599.00 USD Regular priceUnit price / per$1,649.00 USDSale -
Lower Heater Return Hose for 2003-2012 Cummins Equipped Ram Fleece Performance
Regular price $39.99 USDSale price $39.99 USD Regular priceUnit price / per$41.99 USDSale -
-8AN Aluminum Male Weld Bung 1/2 inch Register 3/4 inch OD Fleece Performance
Regular price $6.95 USDSale price $6.95 USD Regular priceUnit price / per$7.30 USDSale -
Freedom Series Duramax Cylinder Head with Cupless Injector Bore for 2001-2004 LB7 (Passenger Side) Fleece Performance
Regular price $1,199.00 USDSale price $1,199.00 USD Regular priceUnit price / per$1,249.00 USDSale -
1/2 Inch Quick Connect to 3/4 Inch-16 O-ring (-8 AN) Fleece Performance
Regular price $16.99 USDSale price $16.99 USD Regular priceUnit price / per$17.99 USDSale -
3/4-16 Inch O-ring to 1/8 Inch NPT adapter w/ 1/8 Inch NPT plug Fleece Performance
Regular price $19.99 USDSale price $19.99 USD Regular priceUnit price / per$20.99 USDSale -
6.7L Freedom Series Cummins Cylinder Head (Street HD)07.5-18 Dodge 2500/3500 Cummins Fleece Performance
Regular price $2,599.00 USDSale price $2,599.00 USD Regular priceUnit price / per$2,699.00 USDSale -
Negative 8AN Female Swivel to 7/8-14 O-Ring Fleece Performance
Regular price $13.99 USDSale price $13.99 USD Regular priceUnit price / per$14.69 USDSale -
Freedom Series Break-In Oil (Case - 12 Quarts) Fleece Performance
Regular price $159.35 USDSale price $159.35 USD Regular priceUnit price / per$170.65 USDSale -
Freedom Series HD Cylinder Head for the 6.0L PowerStroke - 18mm Dowel Fleece Performance
Regular price $1,599.00 USDSale price $1,599.00 USD Regular priceUnit price / per$1,649.00 USDSale -
-10 to 7/8 Inch -14 Straight Male Black w/ O-Ring Fleece Performance
Regular price $14.25 USDSale price $14.25 USD Regular priceUnit price / per$14.96 USDSale -
-8 to 3/4 Inch-16 Straight Male Black w/ O-Ring Fleece Performance
Regular price $9.99 USDSale price $9.99 USD Regular priceUnit price / per$10.99 USDSale -
-6 to 9/16 inch-18 Straight Male Black Fleece Performance w/ O-Ring Fleece Performance
Regular price $9.99 USDSale price $9.99 USD Regular priceUnit price / per$10.99 USDSale -
Freedom Series 15W-50 Racing Oil (Case - 12 Quarts) Fleece Performance
Regular price $176.28 USDSale price $176.28 USD Regular priceUnit price / per$188.09 USDSale -
2001-2016 Duramax Oil Cap Fleece Performance
Regular price $39.99 USDSale price $39.99 USD Regular priceUnit price / per$41.98 USDSale -
All Lights On Fleece Performance
Regular price $21.95 USDSale price $21.95 USD Regular priceUnit price / per$22.95 USDSale -
5.9L Freedom Series Cummins Cylinder Head Performance Fleece Performance
Regular price $3,750.00 USDSale price $3,750.00 USD Regular priceUnit price / per$3,899.00 USDSale -
5/16 Inch Quick Connect to 3/4 Inch-16 O-ring (-8 AN) Fleece Performance
Regular price $14.99 USDSale price $14.99 USD Regular priceUnit price / per$15.99 USDSale
Maximize Diesel Performance: Engine & Components for Diesel Trucks!
Rev up your diesel truck's power with our top-of-the-line Engine & Components. Elevate your driving experience with enhanced horsepower, torque, and responsiveness.Experience the thrill of a more powerful ride as our carefully selected components optimize engine efficiency. Say goodbye to sluggish acceleration and hello to an exhilarating driving experience.
Fuel economy matters, and we've got you covered. Our diesel performance upgrades are designed to balance power and fuel efficiency, saving you money on every journey.
Conquer any terrain with confidence. Our Engine & Components empower your diesel truck to handle tough conditions effortlessly, ensuring lasting reliability.
Upgrade your diesel truck now and unlock its true potential with our premium Engine & Components. Drive with power and performance like never before!











