QA1 Adjustable Upper Trailing Arms - 68-72 GM A-Body AA0700AF1T63 except as noted below

except as noted below

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

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

mix and pour into block before machining

QA1 Adjustable Upper Trailing Arms - 68-72 GM A-Body AA0700AF1T63 except as noted belowAll 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