Eaton Detroit Truetrac Differential 30 Spline 1.31in Axle Shaft Dia 3.92 & Up Ratio Rear Dana 44 2120 Harvey Avenue makes a perfect combination for

makes a perfect combination for a fantastic street system

patent pending technology developed to deliver unparalleled on and off road performance

2008-2017 Toyota Tundra Fleetside

2015-2019 Ford F-150 Lariat SuperCab Pickup

Eliminates vertical link flex

Eaton Detroit Truetrac Differential 30 Spline 1.31in Axle Shaft Dia 3.92 & Up Ratio Rear Dana 44 2120 Harvey Avenue makes a perfect combination forThe Detroit Truetrac was the first helical gear differential ever introduced into the automotive aftermarket as an Eaton brand. It remains the leading helical gear type limited slip differential in the industry. Detroit Truetrac's proven helical gear design eliminates the need for wearable parts, resulting in maintenance free traction recognized not only for its toughness, but its smooth and quiet operation as well. Proven design, low cost and