Rubrix xGen 33T Rear Wide Diff. Racing Delrin Pulley Fits Yokomo MX4 MR4 RX4 RRP-014XG
 
xGen innovations design rear wide pulley for RX4 Evo and many other Yokomo models. Introduces performance improvements and provides a replacement path for used and worn Yokomo ZG-503 pulleys. Performance enhancements includes the incorporation of 14 x 3/32 bearing ball support vs. the standard stock configuration of 12 x 3/32 bearing balls. Arranged in a spread formation to allow less wear on differential ring plates.
 
Compatibility: RRP RX4 Evo, RX4, Yokomo MX4, MR4BC, MR4BX, MR4TC, and others.
Includes: 1 rear differential pulley.
Fine Materials: Fine machining in strong white POM material.