These bushings fit where the differential bearings would normally be. (LM102910, LM102911, LM501310 or LM501314). (LM603011 & LM603012). One pair of housing end bushings or rings that fit either the Big GM housing ends that use the 2.535" o.d. bearing (R1559TV) or the Small GM housing ends that use the 2.25" o.d. bearings.
