ATS Diesel Performance

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Home > GM > LB7 Duramax
ATS offers a wide range of rebuild kits for your 2001-2010 5 and 6 speed Allison transmission. Each kit is designed to meet your specific power goals ? from 500hp to 1000 at the tires. Each kit comes with ATS manufactured clutch packs, valve body kit and TripleLok or Five Star converter.

ATS also offers custom kits based on your needs. Options include billet shafts, a Co-Pilot transmission controller, deep pan, etc. Contact ATS to discuss your build and how we can help your Allison hold the power!

2001-04 ATS LCT-1000 5 speed Stage 3 Rebuild kit


3139034248
$1,560.00
2001 to Early 2004 GM Allison 5 speed Kit(Stage 3) Includes:
  1. ATS TripleLok? Torque Converter
  2. ATS Pump Calibration Kit
  3. Valve Body Calibration Kit

2001-04 ATS LCT-1000 5 speed Stage 5 Rebuild kit


3139054248
$2,950.00
2001 to Early 2004 GM Allison 5 speed Kit(Stage 5). Includes EVERYTHING in Stage 4 Plus:
  1. ATS Manufactured C4 Clutch Pack

2001-04 ATS LCT-1000 5 speed Stage 6 Rebuild kit


3139064248
$3,250.00
2001 to Early 2004 GM Allison 5 speed Kit(Stage 6) Includes EVERYTHING in Stage 5 Plus:
  1. ATS C5 Clutch Pack

2001-04 ATS LCT-1000 5 speed Stage 7 Rebuild kit


3139074248
$4,245.00
2001 to Early 2004 GM Allison 5 speed Kit(Stage 7) Includes EVERYTHING in Stage 6 Plus:
  1. ATS Co-Pilot? Transmission Controller

2001-2005 ATS LCT-1000 5 Speed Basic Overhaul Kit


3139114248
$479.50
2001-2005 ATS LCT-1000 6 Speed Basic Overhaul Kit. Kit Includes: Paper and Rubber Kit With Both Internal and External Filters, C1 through C3 Stock Clutch Friction. This Kit Supplies You With Everything You Will Need to Refresh Your Transmission at an Exceptional Cost When You Re-Use Your Existing Steels and Apply / Pressure Plates. However, If You Would Like to Replace Your Steels and Apply / Pressure Plates While Your Transmission is Apart, We Will Sell Them Separately or Look Into Purchasing our Master Overhaul Kit.

2001-2005 ATS LCT-1000 5 Speed Master Overhaul Kit


3139214248
$1,700.00
2001-2005 ATS LCT-1000 5 Speed Master Overhaul Kit. Kit Includes: Paper and Rubber Kit With Both Internal and External Filters, C1 through C4 Raybestos GPZ Performance Clutch Friction, Steel, and Apply / Pressure Plate Packs, Converter Drain Back Valve (2003 and Earlier), ATS Pump Kit, ATS Trim Valve Kit, Our ATS Upgraded P1 Sun Gear Bearing Which Commonly Fails in the Allison LCT 1000 Transmission, and the ATS C-2 Clutch Drum Spring Kit, Upgraded C3 and C4 Piston and Piston Retainer. All Clutch Packs Have Been Re-Designed for Added Strength and Reliability.

2001-2005 ATS LCT-1000 5 speed Paper & Rubber kit


3139004248
$370.00
2001-2005 ATS LCT-1000 5 speed Paper & Rubber kit
Includes:
- All gaskets, seals and filters to rebuild the transmission
* Core and Crate charges are charged IN ADDITION TO PRODUCT PRICES, and are refundable when USABLE core product and crate are returned to ATS Diesel. All core charges are refunded by check, mailed to the billing address on file.
ATS Diesel Performance ("ATS") sells replacement parts designed to improve a diesel engine's efficiency and reliability. Some states, specifically California, have strict regulations applicable to parts that you may legally use on your diesel truck. Be sure to review applicable municipal, state, and federal rules before you purchase and install an ATS product to make sure you are in compliance.
ATS also designs and manufactures certain parts for off-road and race use only. These parts are not intended for sale in any state, including California, where the items do not comply with local rules.