Puleggia originale Browning BK507/8 per cintura a V, 1 scanalatura, ghisa, foro 21 mm (B501)
BK50X7/8 V-Belt Pulleys - A, B Belt Section, 1 Groove, 4.2000 in (A) 4.7000 in (B) Pitch Dia., 4.7500 in O.D., Finished w/ Keyway & SS, 0.8750 in Bore Size, Cast Iron Material. Cast Iron, Finished Bore, for A/4L and B/5L Belts.