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ANDREWS Gauge Pins (0.108") for Cam Drive Gear Measurement ANDREWS Gauge Pins are precision 0.108" pins used to accurately measure the outside diameter of cam drive gears . Designed for reliable fitment and consistent measurement, these gauge pins help you dial in correct gear specifications with confidence. Key Features Measures cam drive gear outside diameter (over-pin measurement) Made in the USA for dependable performance Great for comparing gear sizes across model years Includes pins as a pair Important Fitment & Measurement Notes From onward, the gear pin measurement range was reduced (largest-to-smallest) from .006" to .003" . In the H-D manual , gear measurements over pins use .108" pins instead of .105" pins. For the same gear, measurement over .108" pins will be about .012" larger than over .105" pins. For engines , stock cam gears are interchangeable with earlier versions, but outer diameters were reduced by .025" . Specifications Brand: ANDREWS Product Name: Gauge Pin Type: Cam Drive Gear Measurement System: SAE Outside Diameter: 0.108" Material: Alloy Steel Units: Pair Riding Style: Street Color/Finish: Silver Weight: 0.02 lbs | Dimensions: 3.3" x 1.53" x 0.15"
Used to measure the outside diameter of cam drive gears
Made in the USA
There are two basic differences between '90-'99 cam gear sizes and earlier years. The overall range of gear pin measurements (from the largest gears to the smallest) was reduced in '90 from .006" to .003". The large gears are the same size for both '84-'89 and '90-'99 (green and black color codes). Gear size measurements (over pins) are listed in the '90 H-D manual using .108" pins instead of .105" pins (as for earlier years). For the same gear, measurement over .108" pins will be approximately .012" larger than for .105" pins. For '92 engines, stock cam gears are interchangeable with earlier versions but gear outer diameters have been reduced by .025".
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