Allison

ALLISON SK

SHIFT KIT® Valve Body Repair Kit
Fits Allison 5-SPD 2001-05
The five-speeds have an external MLP switch

SK Allison-Jr

SHIFT KIT® Jr. Valve Body Repair Kit
Fits Allison 6-SPD 2005-10
The six-speeds have an internal MLP switch

A1-Shift-Valves

A1 Shift Valve Kit
Fits Allison 1000, 2000, 2400 2001-10

A1-LU-BST

Lock-Up Boost Valve
Fits Allison 1000, 2000, 2400 2001-03
For high horsepower applications
Recommended for race use only

A1-LU-BST-04

Lock-Up Boost Valve
Fits Allison 1000, 2000, 2400 2004-10
For high horsepower applications
Recommended for race use only

6L80-CLR-BYPASS

Cooler Flow Bypass Delete Kit
Fits 2014-on 6L80, 6L90, 2015-on 8L90, 2017-19 Allison
Avoid Counterfeits! Transmission Removal Not Required