QA1 Adjustable Upper Trailing Arms - 68-72 GM A-Body AA0700AF1T63 Use a 13/64" drill bit

Use a 13/64" drill bit for best results

MSD Electronic Points Box - Pro Mag 44 Amp 8145

mix and pour into block before machining

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

QA1 Adjustable Upper Trailing Arms - 68-72 GM A-Body AA0700AF1T63 Use a 13/64" drill bitAll 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