Eagle "ESP" Forged 4340 Steel Crankshaft - SB Chevy 400, 400 Main Journals (No Spacer Bearings Required) - 3.875" Stroke, 6.000" Rod Length, 2.100" Rod Journal H776003XL 710" maximum liftThe COMP Cams

710" maximum liftThe COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development

The stock toe rods flex under cornering loads giving you inconsistent alignment and handling characteristics

Thumper NSR Stage 2

invite you to share your voice don't hesitate to tell us how we're performing and how we can do better

Blue anodized finish makes this a hi-tech looking as well as practical addition to any engine

Eagle "ESP" Forged 4340 Steel Crankshaft - SB Chevy 400, 400 Main Journals (No Spacer Bearings Required) - 3.875" Stroke, 6.000" Rod Length, 2.100" Rod Journal H776003XL 710" maximum liftThe COMP CamsEagle forged 4340 steel cranks feature a non twist forging, . 125" fillet radiuses for superior strength so chamfered narrowed bearings required, nitrided surface, and micropolished to 2 ra. Intended for the most demanding application Eagle's commitment to quality and service has resulted in customer loyalty and satisfaction. This, in turn, has fueled rapid growth over the years. Eagle added crankshafts to our lineup a few years later as well as