H-D #18057-48, 18017-66 VALVE SEAT INSERT for Intake & Exhaust 1-3/4" Nickel Steel - for unleaded gas for 1948 - 1965 Pan Heads for 1966 - 1984 Shovel Exhaust 1.940 x 1.562 x .400
H-D #18057-48, 18017-66 VALVE SEAT INSERT for Intake & Exhaust 1-3/4" Nickel Steel - for unleaded gas for 1948 - 1965 Pan Heads for 1966 - 1984 Shovel Exhaust 1.940 x 1.562 x .400