Comet 108 Exp Clutch1990 Polaris Star Trak219503A

Designed for more power, more endurance, more of everything you need for speed - and now accept OEM starter rings for electric startersTried, tested and built to handle high-horsepower enginesConsistently smooth shifting even after hours of useWider rollers for increased bearing area (33% more)1997 and newer 108-EXP clutches include special recessed mounting bolt with special pilot washerEach features a bushing in the movable face and redesigned fixed face for increased durabilityUncalibrated clutches are sold without cam arms and springNOTE: 108-EXP clutches use the same cam arms and spring as the 108-C.NOTE: A flush bore depth indicates the taper begins exactly at the inner edge of the fixed face casting.Positive (+) numbers indicate the taper starts the specified distance into the casting; while negative (-)numbers indicate the taper begins in an extension out of the fixed face casting.