including the 1955 1st Series Advance Design models
Headers can present an issue with clearence for the shaft linkage
The high performance bushings also contribute to zero shock lag
These proportioning valve fittings all all that you need to plumb your AC-Delco proportioning valve # 172-1353 or 172-1361 into your brake system
Available in single 3" / dual 2
1955-57 Chevy Belair Suspension Kit, Stage 2 with Coil Springs and Leaf Springs, Stock Height, Big Block New Parts including the 1955 1st Series1955 57 Chevy Belair, Suspension Kit, Stage 2 with Coil Springs and Leaf Springs, Stock Height, Big Block Front Coil Springs Stock or 1. 5" drop Front 1. 00" dia and Rear . 875" dia sway bars Black powder coated Rear leaf springs, 5 leaf performance type Front and rear 3 Way adjustable shocks Sway bar mounting hardware