PEM Full Spool 3.70 Ratio - 9" Gear - New Center - 31 Spline Computech Systems Progressive Secondaries for perfect off

Progressive Secondaries for perfect off the line launches

or 1/2" Barb for Vacuum Hose

then back on again to eliminate camber bind

Quiet Operation 65Db

BBF Pickup Ford 4WD Truck 16-774 Oil Pan with a M-84D Standard Volume or M-84DHV High Volume Flange Style Pickup Oil Pumps

PEM Full Spool 3.70 Ratio - 9" Gear - New Center - 31 Spline Computech Systems Progressive Secondaries for perfect offProduct Description: Differential Case Assembled 3. 70 Ratio 31 Spline Steel Spool Natural Ford 9 in Sold Individually PEM Racing (Performance Engineering and Manufacturing) offers a wide selection of quick change gear sets, ring and pinion gears, differential cases, and other rear end components.