STM TRA Primary Clutch Spring for Ski-Doo Snowmobiles – High-Performance White Spring with 280 to 420 lb-in Torque Range

Description

• 2.9″ load 280 lbs
• 1.6″ load 420 lbs.

• Quick and easy tuning of engagement and top rpm with performance adjusting primary (drive) clutch springs
• .207 in. chrome silicon construction with 5 percent tolerance – the lowest in the industry (including OEM)
• Primary (drive) springs are shot-peened for durability

• 2.9 inch load – 280 lbs.
• 1.6 inch load – 420 lbs.

Included Items:

(1) White primary clutch spring

No instructions

Explore more from our collection.