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 H778C42 1975-1980 Chevrolet K10

1975-1980 Chevrolet K10

125in center posts using banana style Tear Offs (P208Z in Z Optics Tear Offs)

Transmission Seal Plate

30 to 125 psi

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 H778C42 1975-1980 Chevrolet K10Eagle 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