Description
Motive Gear Master Differential Installation Kit 8.5 in GM 10 Bolt 1970 99 R10RMK ANT SPARE MAG KIT U Fits 1968 1972 2WD Trucks with With Steam HolesSince 1989 Size:Small (55) EAS21974 WM485MD Fits 1968 1972 2WD Trucks with Narrow Frame Rails & BHS511 Engine Mounting Brackets See photo for Identification of Frame Rail Style Engineered For Competition