Q.A.C.A.
Quick Adjust Cam Arms
U.S Patent # 5,795,255

adjustable cam arm, just not externally adjustable.

SIZES:                                       

QACA1        59-66 Grams
QACA2        53-60 Grams
QACA3        47-54 Grams
QACA4        43-47 Grams

$139 for 3 arm set w/screws and T-wrench

These are made from Heat treated 4140 steel and have O.E.M. Arctic Cat replaceable
bushings.