E2123 Steel Kingpin Ball This is a set of

This is a set of replacement front or rear differential cups

and are intended for use with the Mugen MBX7 1/8 scale nitro buggy

T0267 Side belt (urethane)

This is an optional set of three Mugen Seiki (E0704) Lightweight Aluminum Clutch Shoes

green and red and are pre cut

E2123 Steel Kingpin Ball This is a set ofThis is a pack of two optional Mugen Steel Kingpin Balls for MBX7 7T nitro buggy & truggy. These kingpin balls are heavier than the stock parts, and eliminate the need for arm weights. They will help to improve the steering and handling in bumpy and low traction conditions. When all four kingpin balls are replaced, these will add 21. 6 grams of weight to the front suspension.