Oil Pressure Gauge Adapter - Big Twin 1936 - 1969

Chrome Plated Adapter
Fits Big Twin 1936/1969

• For the early generator models (1936/1969), the adapter fits directly into the oil pump replacing the oil pressure sending switch
• For the later Shovelhead and Big Twin Evolution alternator engines 1970/Later, the adapter replaces the top end feed screen plug found on the engine block