1941-71 L-HEAD 4 CYL 802030$29.95 1954-71 F-HEAD 4 CYL 801344$34.75 1965-80 6 CYL 232 OR 258 8125721$26.80 1981-90 6 CYL 258 8133352$27.95 1970-83 8 CYL 304 8128191$59.95 1970-93 8 CYL, 360 OR 401 8128192$59.95 If you have questions you can reach us toll free at 1-800-699-5337.