1941-71 4 CYL L-HEAD 637182$12.80 1956-71 4 CYL F-HEAD 994946$10.64 1941-71 4 CYL L-HEAD VALVE GUIDE 119136$3.75 1956-71 4 CYL F-HEAD 119138$2.55 1973-80 6 CYL 232, 258 OR 8 CYL 304 (STD) 3218732$8.60 1973-80 6 CYL 232, 258 OR 8 CYL 304 (+003) 3218809$12.80 1973-80 6 CYL 232, 258 OR 8 CYL 304 (+015) 3218810$12.80 1981-90 6 CYL 258 OR 8 CYL 304 (STD) 3237465$12.00 1981-90 6 CYL 258 OR 8 CYL 304 (+003) 3240166$12.00 1981-90 6 CYL 258 OR 8 CYL 304 (+015) 3240167$12.00 1987-93 8 CYL 360, 401 STD 3229657$12.64 If you have questions you can reach us toll free at 1-800-699-5337.