Cast Iron. Standard size: 0.5952″ O.D. (15.12mm); 0.3715″ I.D. (9.44mm); 3.135″ OAL (79.63mm). Cast iron offers maximum durability and wear resistance for long distance touring. The standard since the invention of the piston engine.
KPMI, intake/exhaust valve guide. Cast iron. STD
€26.20
30-48 74″/80″ (1200/1300cc) Flathead (NU)