Billet Lightweight EN40B 76.2mm Crankshaft 2" Mains, with 1.624 S size big end. Use with Arrow S or Original S Connecting Rod. With 73.5 bores makes 1297cc
AVR76M
Billet Lightweight EN40B 76.2mm Crankshaft 2" Mains, with 1.624 S size big end. Use with Arrow S or Original S Connecting Rod. With 73.5 bores makes 1297cc