EN40B Billet steel Crankshaft. Features outbounded weight minimizing Flexing. Triple heat-treat, Shot Peened and Cryogenically processed then a final Ion- Nitriding for the strongest, longest lasting Crank Possible. Dynamic Balancing is included providing Customer supplies complete Piston & Conrod weight desired at the time of order. The cranks are made in batches , maximum lead in 14 weeks .Avilable in 90,180&360 configuration.