Fleece Performance

Fleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LMM) - Long Line

Fleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LMM) - Medium Line

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.

The Fleece Performance TapShifter allows you to shift your 5 speed Allison Transmission with the touch of a button. Perfect for towing, drag racing, daily driving and everything in-between, the...

Fleece Performance 01-06 GM Duramax 2500/3500 Fuel Primer Bulb Sealing Kit

Fleece Performance 01-07 GM 2500/3500 Duramax Vane Position Sensor Pigtail (LLY)

Fleece Performance 01-07 GM Duramax / 11-16 GM 2500/3500 Duramax Oil Cooler Adapter Kit

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...

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...

This black 1.5in T4 Pedestal Spacer is designed for use with T4 Turbos installed on Duramax engines when an extra inch of elevation out of the valley is required, although it could be used in any T4...

Fleece Performance 01-13 GM Duramax 6.6L AlliLocker - Allison Torque Converter Controller

The Fleece Performance CP3K is a modified Duramax LBZ CP3 designed to eliminate the factory fuel flow restriction that begins at 3,000 RPM. If you have a stock CP3 pump you are losing fuel flow and...

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...

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...

Fleece Performance 01-16 GM 2500/3500 Duramax Billet Oil Cap Cover - Black