Eagle LIGHTWEIGHT 4340 Crank B18A1 B18B1 B20B B20Z Stock Stroke

sample photo shown, actual product appearance may very

Eagle "ESP" LIGHTWEIGHT 4340 Steel Crankshaft

Weight: 25-31lbs

Eagle "ESP" LIGHTWEIGHT 4340 Steel Crankshafts are one of the most cost effective crank solutions on the market. They are similar to the standard 4340 Eagle ESP crank however they are modified to be considerably lighter. They are forged in a non-twist forging and undergo a multi-stage heat treatment process as wel as stress relieving, shot peening, and nitriding. They are magnafluxed and sonic tested to insure quality. The crank journals are micropolished to a 3 or better RA Surface. Eagle advertises that this crank can handle 1500hp.

Whether you damaged your stock crank, you are building an all out race engine, or you are just looking to upgrade your stock bottom end. Eagle is one of the most durable and reliable options on the market period.