9/16"-26 Spline X 3/4" Double D Stainless Steel Steering U-Joint Fabricated aluminum boxes feature a

Fabricated aluminum boxes feature a sealed design with an external vent tube

Featuring thicker walls and more gusseting than any other manufacturer

Speedmaster valve seals are posi-stop seals made from high-temperature Viton material for a long-lasting seal

these boxes have improved designs

Speedmaster Keychains are the perfect way to let everyone know where you go for high performance aftermarket parts and accessories

9/16"-26 Spline X 3/4" Double D Stainless Steel Steering U-Joint Fabricated aluminum boxes feature aSpeedmaster Steering U joints are constructed from carefully selected 303 stainless steel for its strength, superior corrosion resistance, and shine. They have such a precision machined finish that they look great right out of the box. They feature a sealed, needle bearing design that'll outlast normal steering joints, while providing positive steering response with no backlash.