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Colony, oil line fitting set. Zinc

Reproduction of the early style oil line / oil nipples and vent line fittings for models with steel oil lines. Stock 3/8-27 NPT threaded on oil tank side. Replacement for OEM 63533-15 (3577-15).

Fits: > 1936-1964 OHV & Flathead Big Twin: oil tank & engine; 1937-1973 45" Flathead: vent pipe of crankcase; 1915-1929 J, F, JD, FD, IOE singles 61" & 74" twin IOE; 1926-1934 H-D singles.

Fits: >

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