RatioTek RT-A11-PR Allison 1000, 2000 Automatic Transmission Shift Kit 400-800 HP, 2011-2015
For the every day truck. Kit sets minimum pressure and boosted pressure to levels that are a match for stock 400HP and up to 800HP levels adjustable within the kit. Good News – Customers will say the engine runs better after installing this kit. This is because De-fueling under torque management will eliminated. The trans will have enough holding power to allow full fuel delivery. Rebuilding this trans with out using this kit is serious mistake.