I need a seal kit for my 70 hp 1976 gearcase. I keep on seeing several kits for sale on e-bay which show this: "40HP 1976-88, 48HP 1976-88, 50HP 1976-88, 55HP 1976-88, 60HP (2-Cyl.) 1976-88, 75HP (Small Gearcase) 1976-88." If you noticed, the list skips 70 hp. Woud this kit fit my motor?