This is a Traxxas TRX-4 Spool that will provide the option to go without the locking differentials. You may replace one or both with the spool. Replacing the locking diffs with the spool will allow a full time locked diff to increase crawling performance.

Output drive, transmission or differential (pin retainer (1)/ drive cup (1)/ drive ball (1)/ drive pin (1)/ 3x11 screw pin (1)/ cross pin (black) (1) 3x6 BCS with threadlock (1)) TRX-4

Output gear, high range, 24T (metal) TRX-4

Gear set, transmission, metal (includes 18T, 30T input gears, 36T output gear, 2x9.8 pins (5))

This is the Traxxas transmission input shaft and output shaft.

This is the Traxxas motor plate and upper spur gear cover.

Drive hub, 2-speed/ shift dog/ shift fork/ 2-speed linkage TRX-4

This is the Traxxas input and output shaft transfer case.

This is a replacement Traxxas TRX-4 Transfer Case Gear Set.

This is the Traxxas rear T-lock cable.

This is the Traxxas differential gear set. Includes: Two output gears Four Spider gears Two spider gear shaft

This is the Traxxas differential carrier, slider and T-lock fork.