Moser Engineering Differential Case - 3.812 in Bore - Ford 9 in 13-RS1-B-M In these applications we recommend

In these applications we recommend steel on the right front

5 in Square Tube

pilot and driver are aluminum

or for quick battery changes during a race

Moser Engineering Differential Case - 3.812 in Bore - Ford 9 in 13-RS1-B-M In these applications we recommendProduct Description: Differential Case 3. 812 in Bore Hardware Included Aluminum Natural Ford 9 in Moser Engineering has been leading the competition since 1986 and continues to provide industry leading products. We pride ourselves in our ability to supply quality America made products, at an affordable price. Moser Engineering, founded in 1982, manufactures aftermarket performance rear end components for various racing applications. Located in the