RTS Differential 9", True Grip Pro LSD Traction System, 35-Spline, For Ford, 9 i Rails etc Part Number : PFEAHH20063-RRK6

Part Number : PFEAHH20063-RRK6

This 5-1/2 inch tall air filter comes factory pre-oiled

Part Number : PFE853-03S

Underneath the high-temperature boots

OEM Number: 3987921

RTS Differential 9", True Grip Pro LSD Traction System, 35-Spline, For Ford, 9 i Rails etc Part Number : PFEAHH20063-RRK6Part Number : The RTS True Grip is a gear driven limited slip differential designed to be among the strongest and most durable in the industry. It combines the smooth operation of a limited slip differential, with the strength of a fully machined, forged steel case. Using 3x2 spiral gear technology, the True Grip delivers progressive and variable traction. Based off of throttle input, you are in control of how much traction is applied, which is great