If I'm building for HP should I consider? Falicon no longer reworks crankshafts, what did they do, lightened and neutrally balance? Currently have ZX10 rods ZZR1100 pistons, GPZ900 cams, going to port the head.
https://www.ebay.com/itm/Falicon-Super-Crank-Crankshaft-1986-1987-Kawasaki-Ninja-GPZ1000-1000R-Motorcycle/164202859838