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 Blue anodized finish makes this

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

Thumper NSR Stage 2

1973-1977 Chevrolet Malibu

Borla is proud to offer a true "Made in the USA" product sold around the world

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 Blue anodized finish makes thisEagle 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