This is a Tamiya RC BZ Super Stock 23T Motor.
Stand up brush hoods
This is a high torque motor designed for R/C off road cars
Equipped with brush damper that enables firm contact with
commutator
Features terminal heat sink and chip type condenser
End bell features blue anodized aluminum finish
Can be used in Tamiya official races
Preinstalled surface mount capacitors
Preinstalled leads with 4mm bullet connectors
Sponge motor covers
Bushings
One motor
Two sponge covers
Three urethane bands (to secure the sponge covers)
Length: 2.2" (55mm) can excluding shaft
0.39" (10mm) (shaft)
Diameter: 1.4" (36mm) can
0.12" (3mm) (shaft)
Usable voltage: 7.2V
R.P.M. at best efficiency: 26,500rpm (7.2V)
Torque at best efficiency: 49mN-m(7.2V)