Chrysler RFE Line Pressure Booster Kit
Progressive pressure increase as driving conditions become more demanding.
48RE Converted Valve Body
Discover the breakthrough solution to the 48RE valve body shortage!
AOD/E Smart-Tech® High Capacity Forward Clutch Drum Kit
Get 20–40% MORE clutch capacity, no modifications required!
1350-Series Chromoly Slip Yoke
Ideal upgrade for Chrysler A727, A833. Also fits T56 units with a 30-spline output shaft.
Watch the Vacuum Testing Videos from Sonnax
Line Pressure Booster Kits
Affordable kit for big performance without a big price tag.
The first step in correcting common shift problems.
The Sure Cure®
Comprehensive kit for big problems you don't want back.
The best parts for performance & heavy duty recalibration.