See Mounting Ring Sortable Details Chart
 
Gm ws 17

HP Miscellaneous

Mounting Ring GM-WS-17

  • Material: Steel
  • Thickness: 0.375"
  • Bolt Circle Dia.: 10.75"
  • Inner Dia.: 8.000"
Gm bm 4

Powerglide, 350, 400, 10" Performance Converter (Mounting Ring)

Mounting Ring GM-BM-4

  • Material: Steel
  • Thickness: 0.422"
  • Inner Dia.: 8.380"
  • Bolt Circle Dia.: 10.75"
  • Bolt Circle Dia.: 11.50"
Gm bm 5

HP Miscellaneous

Mounting Ring GM-BM-5

  • Material: Steel
  • Thickness: 0.422"
  • Inner Dia.: 8.380"
  • Bolt Circle Dia.: 10.75"
Fd bm 2

AODE, 4R70W Performance Converter

Mounting Ring FD-BM-2

  • Material: Steel
  • Thickness: 0.523"
  • Inner Dia.: 7.142"
  • Bolt Circle Dia.: 10.60"
  • Bolt Circle Dia.: 11.40"
Gm ws 32 clipped

4L60 (700-R4), 4L60-E, 200-4R (298mm) Single Plate Performance Converter (Mounting Ring), 4L60-E (300mm), Single-Plate Performance Converter (Mounting Ring)

Mounting Ring GM-WS-32

Adapts front-wheel drive GM 245mm front cover to GM 298mm applications.

  • Material: Steel
  • Thickness: 0.422"
  • Bolt Circle Dia.: 10.75"
  • Bolt Circle Dia.: 11.08"
  • Inner Dia.: 8.380"
Gm bm 6

4L80-E, 4L85-E, Single-Plate Performance Converter (Mounting Ring)

Mounting Ring GM-BM-6

  • Material: Steel
  • Thickness: 0.375"
  • Inner Dia.: 8.380"
  • Bolt Circle Dia.: 11.50"
Gm ws 29

HP Miscellaneous

Mounting Ring GM-WS-29

  • Material: Steel
  • Inner Dia.: 8.000"
  • Thickness: 0.375"
  • Bolt Circle Dia.: 11.50"
Gm ws 22

4L60 (700-R4), 4L60-E, 200-4R (298mm) Single Plate Performance Converter (Mounting Ring)

Mounting Ring GM-WS-22

Adapts the GM 245mm FWD front cover to the 11-1/2" bolt pattern

  • Material: Steel
  • Thickness: 0.422"
  • Inner Dia.: 8.380"
  • Bolt Circle Dia.: 11.50"