Better Than Factory: Freedom’s Street Series Cummins Long Blocks
With Freedom Racing Engine's long blocks, you get an upgraded, more reliable engine solution—but also one that gets you back on the road ASAP.
New Products
The aftermarket is a thriving and perpetually evolving niche in the diesel industry. Here, we’ll highlight the latest problem-solving parts, cutting-edge components and horsepower adders that keep the industry moving forward.
Heavy-Duty And O-Ringed: Freedom Series 6.0L Heads
With a superior casting, oversized valve seats, and O-rings as standard equipment, Fleece’s new 6.0L Power Stroke cylinder heads are poised to change the game.
High-Quality DIY: The Nissan Titan XD Lift Pump Rebuild Kit That Will Save You Hundreds
Fleece Performance Engineering’s affordable, common-sense fuel system solution provides the parts (and detailed instructions) every Titan XD owner needs to rebuild their lift pump.
Ready To Run
D&J’s new, turnkey Cummins crate engines are a complete, drop-in solution designed to maximize up-time, simplify the engine replacement process—and even take the guesswork out of a Cummins swap…
Under Bed Fuel Filter Upgrade For ’19-’24 Rams
Trade in plastic for aluminum, simplify water separator changes, and cut your filter costs in half with Fleece Performance Engineering’s latest bolt-on solution for ’19-’24 Rams.
The Aftermarket Injector Return Line Fitting Every 6.7L Power Stroke Needs
Trade your 6.7L Power Stroke’s failure-prone, plastic injector return line fitting in for a heavy-duty aluminum, double O-ring sealed replacement from Fleece Performance Engineering.
Improved Under Bed Filtration
Fleece Performance Engineering’s new primary fuel filter assembly means simpler, more affordable filter changes for your ’17-’24 Ford.
A Performance-Friendly Sending Unit For 7.3L & 6.0L Power Strokes
Eliminate aeration, draw straw, and old-age issues with Fleece Performance Engineering’s new SureFlo sending unit for ’99-’07 Fords.
The Comprehensive Transmission Cooler Upgrade Your ’94-’07 Dodge Needs
Fleece’s second and third-gen transmission cooler kits boast a direct drop-in design, heavy-duty lines, and twice the heat rejection vs. stock.
The PowerFlo Lift Pump Line Grows To Include Power Strokes
The ultimate high-flow, in-tank lift pump solution for ’11-’16 6.7L Power Stroke owners.
The Ford Fuel Filter Fix
A permanent solution for the crack-and-leak-prone secondary fuel filter on your 6.7L Power Stroke.
Fleece Performance Engineering’s New Turbo Drain Tube Kit For Second-Gen Cummins Applications
Whether you’re installing a Cheetah on your ’94-’02 Dodge or bolting a rebuilt HX35 in place, you need to replace the brittle, non-flexible factory drain line with this.
HammerTech Racecars’ Fire Suppression Kits Have Ultimate Safety In Mind
An Indiana company gets out in front of the new ODSS safety rules, offering all-inclusive fire suppression systems to keep you legal in 2024.