QA1 Adjustable Upper Trailing Arms - 64-67 GM A-Body Distributor Cap This aids overall circulation and

This aids overall circulation and blood flow to the legs

Color coding makes it easy to identify specific cam applications when installed

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

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

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QA1 Adjustable Upper Trailing Arms - 64-67 GM A-Body Distributor Cap This aids overall circulation andAll 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