Differential Reinforcement for E9/CS Cars
New Parts Arrivals
Gifts and Software
Information & Downloads
Part Numbers School
Use the parts finder below to see items specific to your car!
Differential Reinforcement for E9/CS Cars
Currently on Back Order
Differential reinforcement box for your damaged (or undamaged) differential mounting points. Choose the option with no welded nuts for an undamaged car that you want to reinforce, or the one with welded nuts for the mangled one that needs repair! Custom manufactured locally in California.