Accurate Gear Ratio Reference — Displays both low and high final drive calculations for 10-spline quick change gear sets ranging from 1–58., Ring and Pinion Compatibility — Designed for use with 4.12, 4.57, and 4.86 ring and pinion combinations for fast setup decisions., Extreme Durability — Built to withstand tough shop and track conditions with tear-resistant construction., Oil and Water Resistant — Maintains readability when exposed to fluids, grease, and moisture during race prep or adjustments., Trackside Convenience — Easy-to-use quick reference chart saves time when dialing in gearing at the track or in the garage.
