Our 4130 Chromoly Lower Racing A-Arms are manufactured from super high quality A-Arms out of 1 1/4 Inch 0.120 Wall 4130 Aircraft Grade Chromoly Seamless Tubing. The collars that attach to the frame and the cup that holds the ball joints are also 4130 Chromoly. These A-Arms come with a Lifetime Structural Warranty.
Note that these a-arms does not come with bushings and has to be purchased separately from Polaris. Part Number is 5452233.