This is the One-Way bearing for the HPI Nitro Star 21BB engine.
** Also fits the Roto Start for the Savage.**
This One-Way Bearing allows the recoil starter to grab
the crankshaft to start the engine and spin freely in the opposite direction.
FEATURES: Steel construction
INCLUDES: One one-way bearing
One installation instruction sheet
REQUIRES: Installing in recoil unit
SPECS: Overall Length: 12mm (.472")
Hex Width: 12mm (.472")
Inner Diameter: 6mm (.218")
COMMENTS: If recoil unit is needed, use HPIG1428
updt jxs 11/16/04