PPEI Allison Transmission Tuning For 2011-2015 GM 6.6L LML Duramax A50 weekly deals valve keepers

valve keepers

2" tall steel construction rear coil spring spacer

Clears up to 35-inch tires with proper wheel selection

KTM 250 XC-F 2013-2016

It includes our Power Vision fully loaded with custom performance tunes and our optimized clutch kit to get your turbocharged UTV moving forward

PPEI Allison Transmission Tuning For 2011-2015 GM 6.6L LML Duramax A50 weekly deals valve keepersExtend your transmission life and increase your fuel economy with PPEI Transmission tuning! A MUST for tuned trucks with additional torque. PPEI was the first to offer transmission tuning for these new allisons and we have not let off the throttle since! The refined shift points get rid of the low rpm Lazy feel these trucks have that force the driver to stab the throttle for a downshift not cool and a fuel economy killer! For vehicles with larger