QA1 Adjustable Upper Trailing Arms - 68-72 GM A-Body AA0700AF1T63 4135 Steel Alloy Shafts (Japanese)PRW

4135 Steel Alloy Shafts (Japanese)PRW Industries produces engine components for racing applications such as rocker arms

A Silicone coated TITANIUM LR outer layer with multiple stainless steel and silica inner layers

Mounted to the top of this shaft is a fully adjustable mechanical advance assembly

6 AN Hose to 5/8-18 in Inverted Flare Male

QA1 Adjustable Upper Trailing Arms - 68-72 GM A-Body AA0700AF1T63 4135 Steel Alloy Shafts (Japanese)PRWAll upper tubular and lower boxed trailing arms use polyurethane bushings on both ends, while upper adjustable and lower tubular trailing arms use a spherical ball or rod end assembly on the chassis end to eliminate bushing bind, allowing the suspension to move smoother for better control. This keeps the tires planted firmly on the ground for improved traction and a more predictable, better handling car. For a long lasting finish, tubular and boxed