sonnax heavy duty clutch retaining ring, gm, 400, 4l80/4l85-e, powerglide, each

Sonnax heavy duty clutch retaining ring 28124 can be used as an upgrade for the Reverse clutch backing plate retaining ring in GM Powerglide transmissions and for the intermediate clutch backing plate retaining ring in GM 4L80-E, 4L85-E and TH400 transmissions.