2001-2004 Duramax LB7 Allison 1000 TransGo Shift Kit (A1000-923) Fuel Systems Can be used with stock

Can be used with stock fuel system but not ideal

We’ve designed this package to eliminate the restrictive and failure-prone OEM EGR components

While capable of providing enough airflow to support up to 700 RWHP this stock appearing unit still lights quick and is great for daily driving

bolt-on stock appearing replacement with features you won’t find anywhere else

Heavy duty accumulator plate to prevent accumulator blowout

2001-2004 Duramax LB7 Allison 1000 TransGo Shift Kit (A1000-923) Fuel Systems Can be used with stockCorrects Prevents Reduces: Goes to neutral under load; 3 4 slip; burned C2 or C3 clutches; sticks in one gear; wont move after extended parking; loss of pump prime; smart clutch control valves for increased durability; SHORT CRISP SMOOTH upshifts and kickdowns.