Nostalgic; chrome plated oil filter assembly. Stock style replacement item for 55-64 Big Twin models; and as accessory for earlier 48-54 Pans. Great looks on old school custom bikes. OEM replacement reference 63800-48 & 63800-58. Replacement parts: – 519784James gasket & o-ring kit kit – 526120James. Steel base rubber kit – 526185James. Paper gasket; small – 526186 55-64 B.T. copper washer filter nut – 908905 oil filter element only