Checks pinion and cam gears for pitch diameters Sold in a sets of 2 JIM1111 Features: -Gauge Pins. -Use to check pinion and cam gears for pitch diameters. -0.108'' pins, sold in a set of 2. -Use on all Big Twin 1990-present single cam only. Product Type: -Gauges. Dimensions: Overall Product Weight: -1 Pounds.