Motive Gear Ring & Pinion GM 8.5/8.6 3.42 Ratio SR42603A-SFI 1972-1980 Ford F-350

1972-1980 Ford F-350

Used by top racers in all forms of racing

16 AN Male Inlet and Outlet

one engine builder found 33 lbs

Choke Plate Shaft(4150 and 4160)

Motive Gear Ring & Pinion GM 8.5/8.6 3.42 Ratio SR42603A-SFI 1972-1980 Ford F-350Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off road, check out Motive Gear. Motive Gear products can be found in the winners circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of