This is an Optional Black Bulkhead Brace for the TRA E-Maxx and T-Maxx Trucks. This part ties the bulkheads together to keep the stress low on the stock bulkheads and eliminate flex. Strong nylon construction Black in color One Front bulkhead brace One Rear bulkhead brace Eight 3 x 15mm hex head cap screws 2.5mm hex wrench This is a direct fit hop-up part. JiM 1/15/2001 ir/jl &