Reverse rotation options available

A 5-angle valve job is performed to restore sealing efficiency

Please note that these 137

5150 bearings have a reputation for lasting longer and outperforming competitors in the market

These improvements are more than just skin deep too

ZF 8HP50 8HP51 DIY Upgrade Kit Kit:Stage 1 Reverse rotation options availableTake control of your transmission build with the ATS ZF 8HP50 8HP51 DIY Upgrade Kit, designed for enthusiasts and builders who want to upgrade their transmission in house rather than sending it in for a full rebuild. Available in Stage 0, Stage 1, and Stage 2, these kits provide carefully selected clutch components and critical hardware to handle higher power while maintaining OE drivability and shift quality. Stage 0 Street Duty Kit Perfect for daily