LOCK KIT, Exhaust Manifold Bolt, (8), zinc plated, good repro, when using this style of fold over lock tabs the proper sequence is flat washer first, then lock then bolt
Manufacturer Reference #'s: M3539, C2OZ-9A447-A
1965-1966 MUSTANG (BEFORE 12/17/65), 260, 289 EXCL HIPO
1963-1966 FALCON (BEFORE 12/17/65), 260, 289 EXCL HIPO
1964-1966 FAIRLANE (BEFORE 12/17/65), 289
WARNING: This product can expose you to chemicals including lead and DEHP, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.