QA1 Adjustable Upper Trailing Arms - 64-67 GM A-Body Distributor Cap Mounting hardware included with3/4-16 O-ring

Mounting hardware included with3/4-16 O-ring ports (8 AN)and mounting hardware included with 3/4-16 O-ring ports (8 AN)

The MSD Hold Down Clamp is CNC machined from steel and fits all MSD Pro-Billet Chevrolet distributors and the Pro Mags

allowing smaller wrenches to be used when changing radius rod lengths

640 in OD Step

QA1 Adjustable Upper Trailing Arms - 64-67 GM A-Body Distributor Cap Mounting hardware included with3/4-16 O-ringAll 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