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Product Description
H-D #4140-42
Little known often missed EXTENSION NIPPLE is used on 1942 - 1957 Harley Knuckle, UL & Pan rigid frame for Brake Crossover Shaft Grease Fitting
External thread is 5/16-32
Internal Thread is 5/16-32 for Grease Fitting
(see photos for comparison to similar 45 part)
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