1956-71 4 CYL F-HEAD 648798$9.95 1965-80 6 CYL 232 OR 258 3227854$11.95 1981-86 6 CYL 258 8053050C$11.95 1970-91 8 CYL ALL 3181291$12.95 If you have questions you can reach us toll free at 1-800-699-5337.