Freedom Series cylinder heads for the LB7 6.6L Duramax now with a cupless injector bore - save time and money with no more injector cups to install, leak, or worry about. Each cylinder head is assembled from a new casting in our state-of-the-art Freedom...

Freedom Series cylinder heads for the LB7 6.6L Duramax now with a cupless injector bore - save time and money with no more injector cups to install, leak, or worry about. Each cylinder head is assembled from a new casting in our state-of-the-art Freedom...

Give new life to your engine with a brand new Freedom Series Cummins cylinder head. Each head is manufactured in our state-of-the-art Freedom Racing Engine shop and guaranteed to meet or exceed factory specifications. All heads are inspected, pressure checked, decked, painted, and ready...

Replacement cylinder head dowels for use between the engine block and cylinder head. Kit includes 2 dowels. Application Notes: Replaces Cummins part number 3902343. Fits 1989-2023 Cummins 12 valve and 5.9/6.7L 24 valve engines. Additional Attributes Country Of Origin: USA Universal: No Vehicle Type:...

Dress up your Allison Transmission with our Billet PTO Cover Kit. Complete kit includes covers, gaskets, and button head bolts to give your transmission a clean look. Fleece Performance Billet PTO Covers Vehicle Fitments Chevrolet Silverado 2500 HD 2001 to 2016 Chevrolet Silverado 3500...

Fix your leaking transmission lines with these heavy duty, high flow, flexible transmission lines. This kit comes complete with everything needed to get the job done right the first time. Kit Contents: Transmission Lines (6) 7/8"-14 O-ring to -10AN fittings (2) Large OD washers...

Fix your leaking transmission lines with these heavy duty, high flow, flexible transmission lines. This kit comes complete with everything needed to get the job done right the first time. Kit Contents: Transmission Lines (6) 7/8"-14 O-ring to -10AN fittings (2) 3/4"-16 O-ring to...

Fits 2001-2015 Allison Equipped GM Trucks Control your torque converter from the palm of your hand with the AlliLocker™ from Fleece Performance Engineering. The AlliLocker™ is 100% code free* when used on the track and allows you to bypass the TCM to lock/unlock the...

2013-2018 6.7L Cummins A/C Line Reroute Kit- If you are looking to do an aftermarket turbo set up like a 2nd Gen Swap Kit, or Compound Kit then this kit is a must! The factory A/C lines are in the way, this kit allows...

Upgrade your fuel system with this fuel filter delete from Fleece Performance Engineering. If you have an aftermarket fuel filtration system such as an Air Dog or a FASS, your factory fuel filter is no longer necessary. The factory fuel filter only becomes an...

Upgrade your fuel system with this fuel distribution block from Fleece Performance Engineering. If you have an aftermarket fuel filtration system such as an Air Dog® or a FASS® and dual CP3 pumps, this fuel distribution block will allow you to get rid of...

The Fleece Performance TapShifter allows you to shift your 2001-2002 GM Allison Transmission with the touch of a button just like the 2006 and newer trucks. Perfect for towing, drag racing, daily driving and everything in-between, the TapShifter installs in no time and provides...

Replacement oil feed line adapter fitting for all Holset turbochargers from 1994-2022 on Cummins applications. Emissions Cert:?CARB EO D834-4 Warranty: 1 Year Limited Parts Warranty Vehicle Fitments Dodge Ram 3500 1994 to 2010 Dodge Ram 2500 1994 to 2010 Ram 3500 2011 to 2020...

Replacement connector with 6 inch pigtail for use on the 6.6L Duramax turbocharger vane position sensor. Produced in-house, our manufacturing process includes fully automated wire cutting and terminal crimping to ensure you get the highest quality replacement parts you need to get your truck...

Replacement connector with 6 inch pigtail for use on the 2006-2016 6.6L Duramax turbocharger vane position sensor. Produced in-house, our manufacturing process includes fully automated wire cutting and terminal crimping to ensure you get the highest quality replacement parts you need to get your...

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...

The Fleece Performance Duramax 10mm stroker CP3 is a straight forward, no inflated numbers, CP3 upgrade proven to support 750 RWHP with the proper complimenting modifications. Not only will it support 750 RWHP, but it also eliminates the factory fuel flow restiction that begins...

Replacement connector with 6 inch pigtail for use on the 2001-2002 LB7 Duramax oil pressure sensor. Produced in-house, our manufacturing process includes fully automated wire cutting and terminal crimping to ensure you get the highest quality replacement parts you need to get your truck...

Replacement connector with 6 inch pigtail for use on the 6.6L Duramax engine including MAP, BARO, camshaft, and crankshaft sensors. Produced in-house, our manufacturing process includes fully automated wire cutting and terminal crimping to ensure you get the highest quality replacement parts you need...

Our replacement fan extension harness for the 2011-2016 LML Duramax allows you to repair a broken or damaged harness without needing to replace the entire fan assembly. This harness is mounted to the fan assembly and connects to the fan and chassis harness. Produced...