SCS Sportsman Quick Change Gear Set #9 NG501 1954-1974 Mercury Monterey

1954-1974 Mercury Monterey

25% more viscosity than petroleum 20W-50s

GM A-Body 1973-83

although it does require longer than stock mounting bolts

LED dash light for system status and low fluid warning

SCS Sportsman Quick Change Gear Set #9 NG501 1954-1974 Mercury MontereyA quality gear priced for the sportsman racer! SCS Sportsman Series Quick Change Gears are unlightened 10 spline gears that are CNC crown hobbed from 8620 material, then heat treated and REM finished prior to shipment. Since 1979, SCS Gearbox, Inc. has been listening to it's customers! When SCS Gearbox first started manufacturing, it was to meet the needs of tractor pullers to provide specialized gearing for their tractors and trucks. As SCS Gearbox