Ski-Doo Clutching
Superior Performance Through Superior Clutching

Click on Product Name for information and ordering

                                                                   

TRA Thunder Shift Arms
(TRA II, III or V)

Thunder Shift TRA Pin Kit
(light, heavy or full range)

TRA Rollers
 (standard, 1mm & 2mm oversize)

TRA Secondary Springs
 (RER and non-RER)

Glide Washer
 (Stop your spring from gouging
 into your clutch cover and spyder)
 

We offer a complete lineup of components for your T.R.A. drive clutch!
All of our products drop right in.  No grinding, cutting or drilling.  Best of all, you can still use your clicker adjustments for thousands of combinations!

All products work separately or in combination with each other.

TESTIMONIALS

Dave Trygstad:  " One of the most valuable clutching components you can get!" 
Trygstad Motorsports - Rochester, MN

Glen Kafka:  "It's a must for fine tuning with a multitude of adjustments."
Advanced Clutching - Stratford, WI

Guy Parquette:  "The Thunder Shift Arms sure made it a lot easier to go fast!"
Parquette Racing - Mosinee, WI

Jamie Bellman:  "The most user friendly clutching components I have ever seen."
Bellman Racing - Bremen, IN

John Wheelock:  "The Thunder Shift Arms make the TRA clutch a lot more tunable and consistant."
Pro Line Chassis - Pine Island, MN