Edelbrock #8556 is a Head Bolt Kit for 1961-79 Pontiac 326-455 Engines with #60575, 60579, 60595, 60599, 61515, 61519, 61525, 61529, 60509, 60569, 60587, & 60589 Edelbrock Cylinder Heads Manufactured before 3/15/02. Not for Stock Heads
The Edelbrock #8556 bolt kit contain a complete set of the highest quality head bolts and hardened washers available. Cold-formed to ensure molecular integrity and heat treated prior to thread rolling and machining. Reduced diameter bolt heads eliminate the need for valve train removal to facilitate cylinder head re-torqueing. Hardened and parallel-ground washers are included. Rated at 170,000 p.s.i.
  • Highest Quality Head Bolts
  • Cold-Formed
  • Heat Treated
  • Ensures Molecular Integrity
  • Reduced Diameter Bolt Heads
  • Hardened/Parallel-Ground Washers Included
  • Rated At 170000 psi
  • Manufactured By ARP

Application Summary:

Year Make/Model
1975 Buick LeSabre
1975 Oldsmobile 98
1975 Oldsmobile Custom Cruiser
1975 Oldsmobile Delta 88
1970-1971 Pontiac Acadian
1965-1978 Pontiac Bonneville
1965-1978 Pontiac Catalina
1967-1970 Pontiac Executive
1967-1979 Pontiac Firebird
1973-1975 Pontiac Grand Am
1975-1977 Pontiac Grand LeMans
1965-1977 Pontiac Grand Prix
1971-1978 Pontiac Grand Safari
1971-1975 Pontiac Grandville
1965-1973 Pontiac GTO
1966-1974 Pontiac Laurentian
1976 Pontiac Laurentian
1968-1977 Pontiac LeMans
1966-1974 Pontiac Parisienne
1976 Pontiac Parisienne
1965-1966 Pontiac Star Chief
1966-1970 Pontiac Strato-Chief
1968-1970 Pontiac Tempest

Additional Information:

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