Norcal Diesel Performance - Automatic Transmission Parts

2001-2016 AlliLocker - Allison Torque Converter Controller Fits 2001-2015 Allison Equipped GM Trucks Control your torque converter from the palm of your hand with the AlliLocker from Fleece ...

Our GM AS100 Single Disc Stock Stall Converter is designed for 2001-16 6.6L Duramax. Packing a 2-Year Warranty with it, the AS1000 is rated up to 450hp with Torrington bearings, clutch, and billet...

Our GM AS1150 Single Disc Low Stall Converter is designed for 2001-16 6.6L Duramax. Packing a 2-Year Warranty with it, the AS1150 is rated up to 450hp with Torrington bearings, clutch, and billet ...

Our GM 3B Triple Disc 1600 Stall Converter is designed for 2001-16 6.6L Duramax. Packing a Lifetime Warranty with it, the 3B has 66 percent more clutch area than a factory, or 139 total square inc...

Our GM 3BFP Triple Disc 1800 Stall Converter is designed for 2001-16 6.6L Duramax. Packing a Lifetime Warranty with it, the 3BFP has 66 percent more clutch area than a factory, or 139 total square...

Our GM 3BLS Triple Disc 1600 Stall Converter is designed for 2001-16 6.6L Duramax. Packing a Lifetime Warranty with it, the 3BLS has 66 percent more clutch area than a factory, or 139 total square...

Our GM 3150 Triple Disc Low Stall Converter is designed for 2001-16 6.6L Duramax. Packing a 2 Year Warranty with it, the 3150 has 66 percent more clutch area than a factory, or 139 total square in...

Our GM 3000 Triple Disc Stock Stall Converter is designed for 2001-16 6.6L Duramax. Packing a 2 Year Warranty with it, the 3000 has 66 percent more clutch area than a factory, or 139 total square ...

Allison Transmission Cooler Lines. 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 ...

Banks Billet Torque Converter: Chevy/GMC 6.6L w/Allison Trans Tough enough for racing! Non-slip three-friction element clutch system & bulletproof billet steel cover. Triples stock to...

PPEs Billet Stator Torque Converters offer the best of the best in power holding capabilities. Designed for racers and pullers who brake boost their vehicles on a regular basis. These torque conve...

>PPEs Billet Stator Torque Converters offer the best of the best in power holding capabilities. Designed for racers and pullers who brake boost their vehicles on a regular basis. These torque c...

>PPEs Billet Stator Torque Converters offer the best of the best in power holding capabilities. Designed for racers and pullers who brake boost their vehicles on a regular basis. These torque c...

>PPEs Billet Stator Torque Converters offer the best of the best in power holding capabilities. Designed for racers and pullers who brake boost their vehicles on a regular basis. These torque c...

Not all multi-disc converters are created equal and with BD's Triple Torque Force, less is more. Our in house CNC machined cover is designed as one piece which prevents warping, improper balancing...

High volumes of cool oil equate to long transmission life. BD's transmission pans increase oil capacity, while their aluminum construction and heat-dissipating fins keep temperature down. As an ad...

BD's FleX-Plate is designed to reliably handle up to 1,500 lb-ft of torque. These units are forged billet, precision-balanced and SFI approved for use in race application. Black Oxide coated to re...

Features: Increase the durability of your drivetrain BD Aluminum HD deep transmission pan, increases oil capacity by 3.5qt High energy clutch material Revised oil circuits New co...

HOT transmission oil has to be COOLED to keep you on the track. Double stacked cores deliver over 40,000 BTU/HR of cooling and over 350% temperature drop versus the factory system - 36% better tem...

HOT transmission oil has to be COOLED to keep you on the track. Double stacked cores deliver over 40,000 BTU/HR of cooling and over 350% temperature drop versus the factory system - 36% better tem...

XTRUDED TRANS COOLER 1/2 INCH LINES Features 22% more cooling over other designs 200 Micro Extruded passages Large surface area to transfer heat for external air flow cooling Tur...

The PPE Billet C-2 Clutch Hub designed to withstand higher horsepower and torque levels. Features: Billet C-2 Clutch Hub Billet Steel Construction P1 Sun gear requires machining modi...

The transmission input shaft is tasked with transferring the horsepower from the torque converter to the transmission. Due to its placement,the part needs to be tough because it is subjected to a ...

The PPE Billet Intermediate Shaft is designed to withstand higher horsepower and torque levels. Features: Billet Intermediate Shaft Billet Steel Construction Sold Individually ...

High horsepower levels and heavy-duty use stress transmission parts past what they were originally designed to handle. The Allisons output shaft is a common failure point so PPE offers this Billet...

The Neodymium magnet is an insanely strong magnet that attracts and holds harmful ferrous metal particles. The PPE Heavy-Duty Deep Aluminum Transmission Pan also features a high-powered Neodymium-...

This transmission dipstick tube lets you keep the look of your stock product when you use HX40 type downpipes. The tube is designed to be installed in your Allison transmission on the drivers side...

Transmission Filter for using our Deep Heavy Duty transmission oil pan. Features: Transmission Filter (12805700) GM Allison Transmission When Using PPE Deep Transmission Pan Sold ...

These days, 6.6L Duramax diesel engines are being installed into many types of vehicles besides big pickups. Classic trucks, boats, full-tilt offroad racing vehicles and more are being fitted with...

These days, 6.6L Duramax diesel engines are being installed into many types of vehicles besides big pickups. Classic trucks, boats, full-tilt offroad racing vehicles and more are being fitted with...

Made from cast aluminum, these covers add strength to center of the transmission case eliminating trans oil seepage at the mating surface. Cooling fins double the surface area (60.74 sq. in.) w...

Max-Flow Arctic Allison Transmission Cooler Fits 2006-2010 Chevy/GMC 2500HD/3500HD  Part# MAX-TC-0610 The DmaxStore Arctic High Flow Allison Transmission Cooler is purpose bu...

Max-Flow SubZero Allison Transmission Cooler Fits 2006-2010 Chevy/GMC 2500HD/3500HD Part# MAX-TC-0610ZERO *Will NOT fit with Deviant lines!* The DmaxStore SubZero High Flow Allison...

There's no greater enemy for a transmission than heat. Whether your 2006-2010 Chevy/GMC 6.6L Duramax is a dedicated tow vehicle, hardworking fleet truck, or a daily driver with a liking for the dr...

With its significantly higher density than most other types of synthetic rubber, the Viton O-Ring is chosen for its performance, chemical resistance and longevity. If you are replacing or upgradin...

Excess heat is the number 1 killer of transmissions. For individuals who tow, race or simply run their diesel hard, proper cooling of your transmission fluid is one of the most important things th...

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 tra...

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 tra...

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 tra...

Stock spin-on transmission filters come up short. PPE recognized the need for better filtration for the hard-working Allison 1000 and 2000 transmissions, so a superior filter was developed whic...

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...

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...

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...

Tested in applications producing high-horsepower and torque at the crank, the PPE Triple Clutch Torque Converter is an excellent choice in converter technology. The heavy-duty billet cover and ...

A bad u-joint or dented driveshaft can cause severe driveline vibrations resulting in a crack in your transmission housing. That problem is solved with Sinister?s Rear Housing Support for 4x4 truck...

>PPEs Stage4 clutch packs. Features: Stage4 C1 Clutch Pack (128134101) 7 - (.0675 inch) HEG 1-sided External Spline Frictions 7 - (.0675 inch) HEG 1-sided Internal Spline Friction...

>PPEs Stage4 clutch packs. Features: Stage4 C2 Clutch Pack (128134102) 8 - (.0690 inch) Friction Plates 8 - (.0675 inch) Steel Separator Plates 1 - (.197 inch) Bottom Apply Pla...

>PPEs Stage4 clutch packs. Features: Stage4 C3 Clutch Pack (128134103) 5 - (.085 inch) Friction Plates 4 - (.068 inch) Kolene Steel Separator Plates Sold As A Kit Applic...

>PPEs Stage4 clutch packs. Features: Stage4 C4 Clutch Pack (128134104) 6 - (.085 inch) Friction Plates 3 - (.068 inch) Thin Kolene Steel Separator Plates 2 - (.098 inch) Thick ...

>PPEs Stage4 transmission kit is our entry-level kit thats perfect for drag racing, sled pulling, towing or even daily driven use. This kit works extremely well for a stock truck but was engine...

>PPEs Stage4 transmission kit is our entry-level kit thats perfect for drag racing, sled pulling, towing or even daily driven use. This kit works extremely well for a stock truck but was engine...

>PPEs Stage4 transmission kit is our entry-level kit thats perfect for drag racing, sled pulling, towing or even daily driven use. This kit works extremely well for a stock truck but was engine...

The Stage4R Clutch Kit is our intermediate-level trans upgrade kit thats built for drag racing, sled pulling, towing and daily-driving. This kit works well for a stock truck, but was engineered to...

The Stage4R Clutch Kit is our intermediate-level trans upgrade kit thats built for drag racing, sled pulling, towing and daily-driving. This kit works well for a stock truck, but was engineered to...