Oil seal 52.3 x39.4 x 6.25 mm

Triumph TR25W 250/441cc (1967-72), and BSA C15/B40 Distributor 250/350cc (1959-64), BSA C15/B40 Sports Star 250/350cc (1964-), BSA C25/B25 250cc (1967-), BSA B25/B44 250/441cc (1967-72) Crankshaft drive side Oil seal.