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Intake Housings 1917-1929
Reproductions of the stock intake housings as used on IOE models. Each housing includes an allocating pin (not mounted) and is pre-marked for drilling in the original position.
Cylinder Top Plug Gasket
Nuts for Cylinder Top Plugs
Special nut for the cylinder top plug of IOE engines. This is the one that also works as upper engine mount.
Reproductions of the cylinder primer screws as used an all ioe models and Flatheads of 1915-1936.
Cylinder sleeves for most Harley cast iron cylinders. After installation of new cylinder sleeves it is possible to use standard size pistons again.
Ram Jett Thread Inserts for Evolution
Ram Jett Cylinder Studs for Evolution
Heavy Duty studs for all Evo Big Twin engines which stand up to numerous cylinder and head installations.
Studs for Cylinders
Studs for Cylinder Base
Cylinder Base Stud Washers
Reinforcement lockwashers for cylinder base nuts.
Lockwashers for Cylinder Base Nuts
Cylinder Dowel Inserts Evo
Precisely made cylinder dowels manufactured from hardened steel. Necessary to exactly center head to cylinder on all Evo engines.