Venom Products 960000 Twin Trax Helix for Tied Clutch - 73-57 x 73-59 electrical-lights-accessories-marker-lights 1977-1979 Yamaha XS650

1977-1979 Yamaha XS650

2012-2022 KTM 250 XC-F

2004-2005 Harley Davidson FLTRI Road Glide

2009 Ski-Doo Summit 800 Everest 163

Venom Products 960000 Twin Trax Helix for Tied Clutch - 73-57 x 73-59 electrical-lights-accessories-marker-lights 1977-1979 Yamaha XS650Developed to produce a quick upshift and improved backshift for excellent throttle response. Dual angle option helix offers fine tunin for changing conditions. Available in a variety of multi angles for almost any application. ER helixes are for Ski Doo and Polaris machines with engine reverse. Helixes for TIED8 and TSS 04 clutches are NOT interchangeable. Type Example: Type F = full progressive; type . 46 = . 46 progressive. Sold each. Vehicle