Practically eliminates piston blow-by and increases effective compression ratio. They are highly recommended. Specify piston bore. Includes Nylock nuts, bolts, oil pressure relief plungers and springs, dowel pins, gaskets, o-rings, push rod tube seals, rear main oil seal and oil sump cover. Bolts onto same location as generator stand.
Helps keep oil in the sump where it belongs.
Use resistive sparkplug wires only. Specify prop hub trigger or electrical accessory case trigger. A Bosch distributor with cap. Points and condenser are replaced by a solid state ignition module that is maintenance-free. Set engine timing once and it stays there.