Sonnax highlights its drop-in O-ringed end plug kits for the ZF 8HP50, ZF 8HP75 and Chrysler 850RE transmissions. Sonnax says these kits service five bores and can prevent loss of critical pressure and replace damaged OE end plugs in these transmissions. Part numbers include: The post Sonnax Highlights ZF 8HP O-Ringed End Plug Kits appeared first on Transmission Digest.