This is a pre-assembled stainless braided oil line in fixed length; with female swivel fittings installed. Used in Pre-Twin Cam applications in stock or custom applications. Just purchase the correct length oil line; plus the right oil line fittings for your application; and you''ll have a set of oil lines to challenge all others in quality; fit and finish. Comes with braided steel outer and PTFE lined inner hose. Note: Oil line has chrome -6 JIC swivel fittings pre-installed and will fit the oil line fittings mentioned below. Note: Oil line length mentioned is the distance between the internal flares of the female swivel fitting. Actual overall length of the hose is 2" longer than mentioned. Note: Oil line fittings are chrome plated. With -6 JIC connection; on oil line side and a 1/8" NPT (approx. 10mm in diameter; as in oil tank and oil pump) or 1/4" NPT (approx. 13.5mm in diameter) thread to fit regular H-D applications. Order oil line fittings separately as required: - 921912 1/8" straight - 921913 1/4" Straight - 921914 1/8" 45° - 921915 1/4" 45° - 921916 1/8" 90°