QA1 Tubular Trailing Arm Brace Adjustable Steel Black- GM A-Body 1968-72 31015BL Vacuum Port options include (2)

Vacuum Port options include (2) 1/8

1969-1970 Chevrolet Brookwood CID 427

Harmonic Balancer Elastomer Rings

which accepts a standard spin-on Chevy filter

1977-1981 Ford F-250

QA1 Tubular Trailing Arm Brace Adjustable Steel Black- GM A-Body 1968-72 31015BL Vacuum Port options include (2)QA1 Adjustable Rear Frame Supports are engineered to improve handling, traction and all around suspension performance by eliminating unwanted chassis flex and reinforcing the upper and lower trailing arm mounts. Made from 1'' diameter cold rolled steel tubing, they feature zinc plated adjustable threaded sleeves for adjusting the preload in the rear trailing arm mount after installation. Designed to clear stock and aftermarket mufflers and includes