Diesel Performance
Shop diesel performance parts at Offroad Unlimited. Find tuners, fuel systems, injectors & upgrades from top brands for Power Stroke, Cummins & Duramax.
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Air Breather Cap; Chrome Finish; Push-In; Ford Racing Logo;This Part Fits: Year Make Model Submodel 1965-1973,1979 Ford Mustang Base 1969-1971 Ford Mustang Boss 302 1971-1972 Ford Mustang Boss 351 1979 Ford Mustang Ghia 1982-1983 Ford Mustang GL 1982-1983 Ford Mustang GLX 1970-1973 Ford Mustang...Regular price $20.99 USDRegular priceUnit price per
$21.00 USDSale price $20.99 USD -
What's a high performance Ford without a set of Ford Racing valve covers? Take your pick from die-cast aluminum covers with a smooth or finned design in either a polished or satin black finish. The valve covers are available in a variety of styles...Regular price $214.99 USDRegular priceUnit price per
$215.00 USDSale price $214.99 USD -
The Duramax VNT Cheetah Turbocharger is a drop-in replacement turbocharger for 04.5-10 Duramax diesels. It comes with a Fleece Performance 63mm FMW compressor wheel and 66mm high flow turbine wheel. This drop-in replacement turbo is guaranteed to enhance your driving experience. You'll enjoy the...Regular price $2,599.99 USDRegular priceUnit price per
Sale price $2,599.99 USD -
Universal 5" molded plastic intake elbow for custom routings and installations. The elbow includes provisions for common MAF sensor mountingRegular price $84.99 USDRegular priceUnit price per
Sale price $84.99 USD -
Universal 5" molded rubber intake elbow for custom routings and installations. Includes two stainless steel band clamps.Regular price $84.99 USDRegular priceUnit price per
Sale price $84.99 USD -
Universal 5" molded plastic intake elbow for custom routings and installations.Regular price $93.99 USDRegular priceUnit price per
Sale price $93.99 USD -
The Fleece Performance Duramax Turbo Thermostat Delete Plug is designed to eliminate the stock coolant feed line when installing a non-water cooled turbocharger on your Duramax. It provides clearance for larger intake plumbing, is CNC machined from 6061-T6 aluminum, and uses an O-ring seal...Regular price $37.99 USDRegular priceUnit price per
Sale price $37.99 USD -
Kit Contents: FPE-CTDT-KIT, FPE-CRTFL-S3S4, FPE-6.7CR-COOL-PLUGTurbo Stud Kit, T4 Turbo GasketThis Part Fits: Year Make Model Submodel 2007-2010 Dodge Ram 2500 Laramie 2007-2010 Dodge Ram 2500 SLT 2007-2010 Dodge Ram 2500 ST 2008-2010 Dodge Ram 2500 SXT 2010 Dodge Ram 2500 TRX 2007-2010 Dodge Ram...Regular price $209.99 USDRegular priceUnit price per
Sale price $209.99 USD -
Fleece Performance 89-07 Dodge 5.9L Cummins S300-S400 Turbo Installation KitThis Part Fits: Year Make Model Submodel 2003,2005-2007 Dodge Ram 2500 Laramie 2003-2007 Dodge Ram 2500 SLT 2006-2007 Dodge Ram 2500 Sport 2003-2007 Dodge Ram 2500 ST 2006-2007 Dodge Ram 2500 TRX4 2003-2007 Dodge Ram...Regular price $180.99 USDRegular priceUnit price per
Sale price $180.99 USD -
TufShafts are a direct replacement upgrade shafts for any 2001-2010 GM 2500-3500 with a 9.25" AAM front axle. They are designed to eliminate the stock passenger side split axle shaft that is prone to breaking under high torque situations, as well as the short...Regular price $1,099.99 USDRegular priceUnit price per
Sale price $1,099.99 USD -
(2) Setrab to -10AN Fittings Purchased with Allison Transmission Cooler Lines. All trucks with aftermarket radiators will need these fittings to be compatible with FPE transmission lines.Regular price $19.99 USDRegular priceUnit price per
Sale price $19.99 USD -
Replace your leaking transmission lines with our heavy duty, high flow, flexible transmission lines. Our kit is the most complete replacement transmission line kit available for your LML truck! With an increased diameter over stock and heavy duty hose wrap, these lines will increase...Regular price $329.99 USDRegular priceUnit price per
Sale price $329.99 USD -
Replace your leaking transmission lines with our heavy duty, high flow, flexible transmission lines. Our kit is the most complete replacement transmission line kit available for your LML truck! With an increased diameter over stock and heavy duty hose wrap, these lines will increase...Regular price $329.99 USDRegular priceUnit price per
Sale price $329.99 USD -
Replacement Transmission Cooler Line (short line) for the Fleece Performance Allison Transmission Cooler Line Kit FPE-TL-LBZ-LMM. For use on model year 2006-2010 LBZ and LMM trucks. Application Notes This is a single replacement line only. It does not include any fittings or additional components.This...Regular price $79.99 USDRegular priceUnit price per
Sale price $79.99 USD -
Replace your leaking transmission lines with our heavy duty, high flow, flexible transmission lines. Our kit is the most complete replacement transmission line kit available for your LBZ or LMM truck! It includes all of the necessary fittings whether your truck is running a...Regular price $289.99 USDRegular priceUnit price per
Sale price $289.99 USD -
Replacement Transmission Cooler Line (medium length line) for the Fleece Performance Allison Transmission Cooler Line Kits FPE-TL-LB7-LLY and FPE-TL-LBZ-LMM. For use on model year 2001-2010 LB7, LLY, LBZ, and LMM trucks. Application Notes This is a single replacement line only. It does not include...Regular price $99.99 USDRegular priceUnit price per
Sale price $99.99 USD -
Replacement Transmission Cooler Line (longest length line) for the Fleece Performance Allison Transmission Cooler Line Kits FPE-TL-LB7-LLY and FPE-TL-LBZ-LMM. For use on model year 2001-2010 LB7, LLY, LBZ, and LMM trucks. Application Notes This is a single replacement line only. It does not include...Regular price $139.99 USDRegular priceUnit price per
Sale price $139.99 USD -
Replacement Transmission Cooler Line (short line) for the Fleece Performance Allison Transmission Cooler Line Kit (FPE-TL-LB7-LLY). For use on model year 2001-2005 LB7-LLY trucks. Application Notes This is a single replacement line only. It does not include any fittings or additional components.This Part Fits:...Regular price $79.99 USDRegular priceUnit price per
Sale price $79.99 USD -
Replace your leaking transmission lines with our heavy duty, high flow, flexible transmission lines. Our kit is the most complete replacement transmission line kit available for your LB7 or LLY truck! It includes all of the necessary fittings whether your truck is running a...Regular price $289.99 USDRegular priceUnit price per
Sale price $289.99 USD -
Replace your leaking transmission lines with our heavy duty, high flow, flexible transmission lines. Our kit is the most complete replacement transmission line kit available for your L5P truck! With an increased diameter over stock and heavy duty hose wrap, these lines will increase...Regular price $329.99 USDRegular priceUnit price per
Sale price $329.99 USD -
Fix your leaking transmission lines with these heavy duty, high flow, flexible transmission lines. This kit is complete with everything needed to get the job done right the first time.This Part Fits: Year Make Model Submodel 2010 Dodge Ram 2500 Laramie 2010 Dodge Ram...Regular price $279.99 USDRegular priceUnit price per
Sale price $279.99 USD -
Fleece Performance LML Tie Rod Sleeves are a must for any 2011+ GM 2500-3500HD pickup that utilizes four-wheel drive. These support sleeves keep the weak factory tie rods from bending under the added stress of lifted torsion bars, increased horsepower and torque, and aggressive...Regular price $81.99 USDRegular priceUnit price per
Sale price $81.99 USD -
Problem: The original equipment steering tie rods are prone to collapse under heavy load, making them highly susceptible when running larger diameter tires or high offset wheels. Fix: The Fleece Performance tie rod sleeves keep the weak factory tie rods from bending under the...Regular price $75.99 USDRegular priceUnit price per
Sale price $75.99 USD -
Fleece Performance Tie Rod Sleeves are a must for any 99+ GM 2500-3500HD pickup that utilizes four-wheel drive. These support sleeves keep the weak factory tie rods from bending under the added stress of lifted torsion bars, increased horsepower and torque, and aggressive tires....Regular price $79.99 USDRegular priceUnit price per
Sale price $79.99 USD