Tri-5 Pro-G IRS

The Tri-5 Heidts Pro-G IRS a true bolt-in, high horsepower independent rear suspension system for '55-'57 Chevy cars. This Pro-G IRS (IRC-151) features a new pinion support design which allows more clearance for exhaust routing. The new IRS is now available in two finishes: mild steel or our hand-polished stainless steel.

[@super63strat]

Very nice looking 55 ! I just received my Heidts catolog . Have a nine inch posi .but looking for a GM twelve bolt ..