Eagle "ESP" Forged 4340 Steel Crankshaft - SB Chevy 400, 400 Main Journals (No Spacer Bearings Required) - 4.000" Stroke, 6.000" Rod Length, 2.100" Rod Journal AA0700AG3R61 170 in Bore

170 in Bore

164 Tooth Flywheel

Traditional Mil-Spec Bent tube design for unmatched strength and ∩ ¼Ã©ow

Adjust Rev Limiter

Eagle "ESP" Forged 4340 Steel Crankshaft - SB Chevy 400, 400 Main Journals (No Spacer Bearings Required) - 4.000" Stroke, 6.000" Rod Length, 2.100" Rod Journal AA0700AG3R61 170 in BoreEagle 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