1941-71 4 CYL L-HEAD 637183$8.48 1956-71 4 CYL F-HEAD 802639$12.95 1941-71 4 CYL L-HEAD & F-HEAD VALVE GUIDE 119137$9.88 1973-80 6 CYL 232, 258 OR 8 CYL 304 (STD) 3224597$9.88 1973-80 6 CYL 232, 258 OR 8 CYL 304 (+003) 3224602$12.68 1973-80 6 CYL 232, 258 OR 8 CYL 304 (+015) 3224603$12.80 1981-90 6 CYL 258 OR 8 CYL 304 (STD) 3237464$12.96 1981-90 6 CYL 258 OR 8 CYL 304 (+003) 3240163$15.12 1981-90 6 CYL 258 OR 8 CYL 304 (+015) 3240164$16.12 1975-93 8 CYL 360, 401 STD 3224598$12.96 If you have questions you can reach us toll free at 1-800-699-5337.