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Hot Racing front or rear differential spool locker, fitting multiple Traxxas vehicles. See comments section below for fitment. This is the NEW revision of this item that features a wider range of vehicle compatibility.

FEATURES:
- Steel shaft and 6061 aluminum gear hub construction
- Steel shaft is black oxide finished
- Aluminum hub is blue anodized
- The locker/spool eliminates differential action for greater acceleration and climbing. It is recommended for off-road use only.
YOU WILL RECEIVE:
- One (1) differential spool
REQUIREMENTS:
- Recommended to use a removable-type locking adhesive on screws threading into metal
- Check hub setscrew for proper torque prior to installation
- Ring and pinion gears and factory Traxxas 5380/3979 differential housing, 5118 8x16x5mm bearing, and 5119 10x15x4mm bearing
SPECIFICATIONS:
- Output shaft diameter: 6mm
- Overall length: 45mm
- Driveshaft screw pin thru hole: 2.5mm

- Weight w/o screws: 16g
COMMENTS:
- Replaces entire Traxxas 5381 differential assembly to lock the axle
- Compatible with:
- E-Maxx
- E-Revo
- Revo 3.3
- Slayer Pro 4X4
- T-Maxx 3.3