108 EXP ClutchCaracteristicas: Tried, tested and built to handle high horsepower engines Consistently smooth shifting even after hours of use Wider rollers for increased bearing area (33% more) Features a bushing in the movable face Uncalibrated clutches are sold without cam arms and spring 108 EXP clutches use the same cam arms and spring as the 108 C Change clutch to accept 1 7 16 belt width by installing one spacer washer under the spider washers A flush bore