This is the Kingpin Brace from RJ Speed for the Legends Series. FEATURES: Durable fiberglass construction, black in color INCLUDES: One Kingpin Brace REQUIRES: Installation with two kingpins (RJSC5358) SPECS: Length: 6 1/3" (160.8mm) Width: 0.37" (9.3mm) RJ SpeedPart RJS5240