HASI TUNED EXCLUSIVE PERFORMANCE CLUTCH SPRING IS READY!

AFTER 2 YEARS OF TESTing, THE NECESSARY TIME TO CREATE OUR NEW CLUTCH SPRING.

MADE BY A SPECIAL STEEL THIS SPRING GUARANTEES A PERFECT FIT ON ALL CLUTCHS.

INCREDIBLE DURABILITY, WITH SUPER CONSTANT PERFORMANCE.
WE PUT A NEW LEVEL OF CLUTCH SPRING FOR PRO RACERS ONLY.

N.B.: USE ONLY ON HIGH PERFORMANCE .21 ON ROAD ENGINE.