Description
This set includes the main differential gear and center idler gear for the Ultima SC. Also included are the 4 screws that hold the 2 halves together. Can be used on the RB6 and any other Ultima as part of the conversion to a gear differential. Many racers feel that the gear differential in more reliable and has better performance in many track conditions. To complete the differential conversion you will also need: KYOUM605 diff case KYOUM610 Gear Set, Or optional Hard Gear Set KYOVZW424 KYOUM611 Differential Gasket KYOUM612 drive cups and pins KYOUM613 Bevel Shafts KYOORG045 seals As well as some 10, 20 or 30K Differential fluid.