Powerglide® Oil Pan Kit
Provides two extra quarts of oil capacity without sacrificing ground clearance.
4-5-6 Clutch Apply Piston Kit
Specially designed to reduce clutch plate failure and coning in GM 6L80/6L90 transmissions.
5" Driveshaft Components
Ideal for replacing two-piece driveshafts and eliminating the carrier bearing.
Learn more about the Sonnax Roadshow!
Watch the new Vacuum Testing Videos from Sonnax
Which Sonnax Kit is Right for Your Rebuild?
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.
Pressure Switch Rebuild Master Pack