Be among the first to experience the game-changing capabilities of the Firepunk Allison Transbrake by taking advantage of our exclusive pre-sale. Secure your order now to ensure you're at the forefront of drag racing technology. Pre-sale customers will receive priority shipping and exclusive early...

2001-2005 Firepunk Proven A750 Allison Transmission Features: Great For Mildly Modified Trucks Up To 750HP 2-Year Unlimited Mileage, 100% Workmanship Warranty Build List: All New Gaskets & Seals Allison Internal Filter Firepunk Filter Lock Allison External Filter with Magnet New Allison Bearings Rebuilt or...

Control your torque converter from the palm of your hand with the AlliLocker from Fleece Performance Engineering. The AlliLockeris 100 percent code free and allows you to bypass the TCM to lock/unlock the torque converter on demand. Turn the bypass switch off, and the...

2001-2005 Firepunk Proven A900 Allison Transmission Features: Great For Mildly Modified Trucks Up To 900HP 2-Year Unlimited Mileage, 100% Workmanship Warranty Build List: All New Gaskets & Seals Allison Internal Filter Firepunk Filter Lock Allison External Filter with Magnet New Allison Bearings Rebuilt or...

2001-2005 Firepunk Proven A1000 Allison Transmission Features: Great For Highly Modified Trucks Up To 1000HP 2-Year Unlimited Mileage, 100% Workmanship Warranty Build List: All New Gaskets & Seals Allison Internal Filter Firepunk Filter Lock Allison External Filter with Magnet New Allison Bearings Rebuilt or...

This kit serves as a great upgrade when building a 5 or 6 speed Allison 1000 transmission. This kit is recommended for trucks hauling heavy loads and making high horsepower. The increase in line pressure improves your clutches' holding ability and the calibration springs...

The Fleece Performance TapShifter allows you to shift your 2001-2005 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 coolant bypass house with stainless steel braiding for our Common Rail/VP44 Cummins Coolant Bypass Kits. For use with the following kits: FPE-CLNTBYPS-CUMMINS-VP-SS FPE-CLNTBYPS-CUMMINS-0607-SS FPE-CLNTBYPS-CUMMINS-0305-SS FPE-CLNTBYPS-CUMMINS-6.7-SS FPE-CLNTBYPS-CUMMINS-MAN-SS Vehicle Fitments Chevrolet Silverado 3500 2001 to 2002 Chevrolet Silverado 2500 HD 2001 to 2002 GMC Sierra...

ACDelco GM Original Equipment Automatic Transmission Oil Pan Gasket. This original equipment gasket provides the performance, durability, and service life you expect from General Motors.Features: Automatic Transmission Pan Gasket AC-Delco/GM Original Equipment Sold Individually Applications: 2001-Present GM 6.6L Duramax Allison 1000/2000 Transmissions (128044000) Vehicle...

Replace the stock, stamped metal pan with one that will help keep your transmission cool and protected. Cast from high-grade aluminum alloy and holding stock fluid capacity, it is only 5 inches Deep making this pan perfect for those who like their rides lowered...

Replace the stock, stamped metal pan with one that will help keep your transmission cool and protected. Cast from high-grade aluminum alloy and holding stock fluid capacity, it is only 5 inches Deep making this pan perfect for those who like their rides lowered...

Replace the stock, stamped metal pan with one that will help keep your transmission cool and protected. Cast from high-grade aluminum alloy and holding stock fluid capacity, it is only 5 inches Deep making this pan perfect for those who like their rides lowered...

Simply stated, more is always better when it comes to transmission fluid. Higher volumes of fluid take longer to heat up allowing for more stable transmission temperatures which help to extend transmission life. >PPEs Heavy-Duty Deep Allison Transmission Pans hold an extra 4 quarts...

Simply stated, more is always better when it comes to transmission fluid. Higher volumes of fluid take longer to heat up allowing for more stable transmission temperatures which help to extend transmission life. >PPEs Heavy-Duty Deep Allison Transmission Pans hold an extra 4 quarts...

Simply stated, more is always better when it comes to transmission fluid. Higher volumes of fluid take longer to heat up allowing for more stable transmission temperatures which help to extend transmission life. >PPEs Heavy-Duty Deep Allison Transmission Pans hold an extra 4 quarts...

The Stage4R transmission kit is our intermediate-level trans upgrade kit that's built for drag racing, sled pulling, towing and daily-driving. This kit works well for a stock truck, but was engineered to handle a Duramax engine that's been equipped with multiple high-performance modifications: such...

Replacement oil pressure sensor pigtail for use on the 2003-2010 6.6L Duramax. 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 or car back on...

Now available as a complete ready-to-install transmission. PPE experts with 35+ years of experience?upgrade the?Allison transmissions with the latest performance parts to ensure a transmission built to suit your needs. Suitable for?daily use performance or race track. Fully customizable, there are several upgrades to...

The PPE Stage5R Performance Transmission upgrade kit is built to transmit your engine's high-horsepower output through the Allison transmission. The state-of-the-art friction material withstands high heat and high temperatures to produce greater torque capacity and optimize performance. Optimized for heavy-duty vehicles and high-stress conditions...