Sonnax has introduced drop-in PR boost valve and o-ringed end plug kits for GM 9T45/50/60/65 transmissions.
Pressure regulator boost valve kit #184740-02K restores line pressure performance and renews converter feed.
Additionally, o-ringed end plug kit #184740-03K, which fits both ETRS and non-ETRS valve bodies, deals with leaks, restores hydraulic integrity and renews shift operations, the company says.