9/16"-26 Spline X 3/4" Double D Stainless Steel Steering U-Joint these boxes have improved designs

these boxes have improved designs

Speedmaster idle air control motor adapters allow GM-style idle air control motors to be used with throttle bodies originally designed for a different bolt pattern

and highly viscous silicone fluid between the two--these SFI-approved Fluid dampers can control all crankshaft vibration

They are designed to fit a variety of applications

Featuring thicker walls and more gusseting than any other manufacturer

9/16"-26 Spline X 3/4" Double D Stainless Steel Steering U-Joint these boxes have improved designsSpeedmaster 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.