Master Cylinder Cap SEAL: Dual Bail late 60's/ 70's GM various This is the Distributor Vacuum

This is the Distributor Vacuum Advance unit mounted on the base of the early Chevy distributors

if doing the job means using everything else

1967-69 Camaro Firebird

84-87 Chevy  Caprice

NOTE/ ALERT:  -  MANY USA SEAT & Door Trim sets

Master Cylinder Cap SEAL: Dual Bail late 60's/ 70's GM various This is the Distributor VacuumREAD THE "DESCRIPTION" on LHS lower page first. Tandem Master cylinder lid SEAL for the 68 82 Corvette & 68 75 Camaro & More as shown.. . with DUAL pot master cylinder.. rounded ends. tandem.. check the design again most rectangular masters. Fits but not limited too; but LOOK at yours first 68 late 70's Corvette 68 70 Impala & Chevelle 70 71 Skylark 68 75 Camaro various but LOOK at yours first 65 68 Nova 65 69 Impala