Try AMES PONTIAC in the U.S., KANTER AUTO PARTS in the U.S., ROCK AUTO in the U.S.. They all have easy to use web sites. Also try GASKET CITY here in Hamilton, Ontario. Good luck.
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1957 Pontiac Pathfinder Deluxe sedan restored 261 six
1974 Chevrolet Caprice Estate wagon low mileage original 400 V-8
