High Quality Gear Shifter Shaft Seal. Presses into the gear shifter shaft hole on the Transmission cover. For the 1972-1981 250,360,390, 400, 450cc engines. Replaces part # 29-65-292-01 or 29-65-289-07 and 15-13-733-01. THIS SEAL IS THE #1 SOURCE OF A ENGINE LEAK.