Third Member Case - 8-3/4

489 Third member Case - Drop out case - case only. Can be used of course on any 8-3/4' rear end even back to 1965 models.

489 Third Member Case - for 8-3/4. New, nodular iron 489 casting with forged steel caps, billet adjusters, choice of gear ratio, Eaton / Detroit "truetrac", crush sleeve eliminator and 7290 and 1350 forged steel u-bolt yoke. Build to order - expect 1 week before shipping. Ratio options provide at time of order are: 3.23, 3.55, 3.73, 3.91, 4.10, 4.30 and 4.56.