Proform Shaft Mount Rocker Arm - 1.65 Ratio - Full Roller - Purple - Big Block Buick HSXSM11SASM61 Adjusting the bump steer in

Adjusting the bump steer in your race car sometimes requires shimming up the rack

Must be used with XP rear torsion arms

This adaptor plate is constructed of 6061 billet aluminum is a flat design and will adapt a Grant 5-Bolt pattern wheel to our GT3 bolt pattern Quick Release Hub

Adapter bolts to stock 5 x 4-1/2" or 4-3/4" bolt circle hub or axle flanges when adapting to 5 x 5" bolt circle pattern wheels

Proform Shaft Mount Rocker Arm - 1.65 Ratio - Full Roller - Purple - Big Block Buick HSXSM11SASM61 Adjusting the bump steer inProduct Description: Rocker Arm Shaft Mount 1. 65 Ratio Full Roller Aluminum Purple Anodized Big Block Buick PROFORM invites racers to experience the strength, innovation, and power behind the PROFORM brand. PROFORM Parts (Specialty Auto Parts U. S. A., Inc.) is a leader in the High Performance Automotive Aftermarket by engineering and manufacturing creative products from intelligent concepts. Our goal is to provide the performance enthusiast with