Large stem for 5/8" hole is the most popular size valve stem used in racing wheels
1976-1985 Chevrolet C20
*Compatible for methanol and E85 for competitive drag race use only- when draining and flushing after each race event
Red Handle
BMR Suspension's Billet Aluminum Differential Bushings (BK050) eliminate differential movement and pinion rise over the factory rubber bushings
QA1 Stocker Star Twintube Double Adjustable Rear Shock - GM Y-Body 1963-82 Quarter-Turn Mounting Bracket Large stem for 5/8" holeQA1 offers stock mount aluminum double, single, non adjustable and sport series shocks for the rear of 63 83 Corvettes. With their great look, high performance handling and unbeatable price, you can't go wrong with these smooth body shocks. Made in the U. S. A., Easy, Bolt In Installation, No Cutting or Welding Needed, Non Coil Over, Lightweight Aluminum, Stock Mount, 100% Dyno Tested and Serialized, Rebuildable and Revalveable by the QA1 Factory or