Product Description
A heavy duty clutch retaining ring for GM Powerglide, TH400, 4L80E and 4L85E automatic transmissions, made by Sonnax. It can be used as an upgrade for the reverse clutch backing plate retaining ring in Powerglide transmissions, and for the intermediate clutch backing plate retaining ring in 4L80E, 4L85E and TH400 transmissions.