Eagle 4340 Forged Steel 89mm STD Stroke Crankshaft Honda Acura Integra LS RS GS B18A B18B B20B B20Z

Note: It is a known issue that due to casting variation and the counterweight design of this crankshaft that in some rare cases you'll need to grind the block for fitment.


Eagle "ESP" 4340 Steel Crankshafts are one of the most cost effective crank solutions on the market. 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.