K1 Crankshaft

Nitrided 4340 crankshafts available from K1 engineering a division of Wiseco.  Use the same crank that AMS and GSC have used in their cars.  Available in a frightening amount of options, so please select the one that best fits your build.  Please note that some stroke options do not have off the shelf piston solutions so custom pistons may need to be made to use your crankshaft.