This is the optional 3-Speed Transmission for the HPI Savage Series.
FEATURES: Fits all HPI Savage series trucks
Higher top speed (top gear is 10% taller than stock)
More torque (low gear is 10% shorter than stock)
Factory pre-set shift point, user adjustable
Fully assembled with gear box
Steel 2nd and 3rd gears for extra durability
INCLUDES: 3-Speed Transmission, instruction sheet
2mm hex wrench
REQUIRES: Installing on Savage chassis following included instructions.