SERVICING SYDNEY AND SURROUNDS SINCE 2002
TRANSMISSIONS
After many years of seeing multiple failures in Harley six-speed transmissions, we now have a cost-effective race proven solution with the Simon Motorsport billet shift drums and trapdoors exclusive to TwinTune Performance Centre!
For more information, watch this YouTube video by Andy Simon Snr himself.
TwinTune also offer a full gear back-cutting service inhouse to create slick shifting transmissions for Big Twins and V-Rods.
Options include basic street, street pro and heavy duty with billet support plate.
Simon Motorsport shift drum and billet support plate
Simon Motorsport billet shift drum
Simon Motorsport billet shift drums and billet trapdoor
V Rod transmission rebuild
Improper third gear engagement OEM six speed
V Rod transmission full rebuild with straight cut second gear fitted
Transmisson housing after transmission failure
Rounding of gear dogs from partial engagement causing eventual transmission failure