RatioTek Valvebody Upgrade Kit 2001-2010 LB7/LLY/LBZ/LMM

Part# ‍RT-A01-PR

$48.00 Includes Free Shipping.

WARNING: Cancer and Reproductive Harm - www.P65Warnings.Ca.Gov

Fits: 2001 Thru 2010 Chevy Silverado/GMC Sierra 2500HD/3500HD LB7/LLY/LBZ/LMM Allison 1000 Transmissions

This is a great upgrade when building your 5 or 6 speed Allison transmission. Perfect for trucks pulling big loads or making big power. This will help increase line pressure which will improve your clutches holding ability and the calibration springs will quicken and clean up your lazy shifts.

Includes:

RT-A-ES Calibration Springs
Line Pressure Upgrade Spring