Pair. Fits most roller rocker arms without modification but may not fit stamped steel pedestal mount arms. Uses push on breather caps.
See 6582-1AK, 6582-1BK, 6583-2KA, 6583-2KB, 6582-2KD for mounting hardware options.
Mercury Cougar Years:
1967 (67), 1968 (68), 1969 (69), 1970 (70)
Above years shown are used for searches and are not application listings.
NPD Part Number : 6A582-200A Manufacturer Reference #'s: 6A582-CO,
1967-1970 COUGAR 289, 302, 351W, EXCL BOSS 302 OR EFI
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.
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