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Thunder Shift Rollers Superior Performance Through Superior Clutching
Yamaha Thunder Shift Rollers
Tuning component for stock clutches or when using Heavy Hitter Arms.
Hardened steel rollers are bushed and ISR stock legal.
Two sizes offers tuning for all models.
Smaller size increases force of cam arms, larger size decreases force.
More economical than helixes with more consistent results.
Fits all late model Yamahas with 9mm (SRX, Viper, Venom, Rage, RX-1, Warrior, Vector, Mtn models, and new 06 models).
Sold in sets of three with installation instructions.
YAR-148 - Yamaha 14.8mm rollers $79.95
THUNDER PRODUCTS, INC. 21676 Deep Lake Road Richmond, MN 56368 Phone - 320-597-2700 Fax - 320-300-4830
Summer business hours: Mon through Thurs 9am - 5pm, Fri 9am - 12:00pm CDT Saturday by chance only. Closed Sundays.
Superior Performance Products
for Snowmobiles, Motorcycles,
