Description

Engineered for heavy-duty work or performance trucks, the all new ALLISON-11UP performance valve body Reprogramming Kit� includes pump and valve body components to provide maximum holding capacity in all clutch packs and lockup�stock or tuned.

Patent-pending technology produces smart, on-demand pressure increases for faster line rise, quicker clutch apply times and increased clutch and TCC holding capacity when throttle is added, without raising line to unsafe levels preventing unnecessary heat and wear.

Features:
Firm, crisp upshifts for added durability and performance in all applications
Increased TCC holding capacity
Maintains factory shift feel at light to medium throttle with progressively firmer upshifts through WOT
Customizable shift-feel calibrations for stock, hard-working, or street show-off and strip trucks
Engineered for work or performance trucks�stock or tuned
Corrects, Prevents, Reduces:
Sloppy shifts with ratio codes
No forward movement
3-4 slip
Burnt frictions
Low line pressure
Includes:
High-performance pressure regulator spring
Calibrated main control valve and spring
Re-engineered TCC regulator valves (2) for both early and late designs
Replacement main mod spring
Recalibrated PCS 1 and 2 springs
Unbreakable billet 1-2-3-4 back-feed retainer
Extension and pump housing gaskets