Eagle "ESP" Forged 4340 Steel Crankshaft - SB Chevy 400, 400 Main Journals (No Spacer Bearings Required) - 3.750" Stroke, 5.700" Rod Length, 2.100" Rod Journal Rocker Cover Gasket 3/8 in Female Drain

3/8 in Female Drain

one-piece design allows for superior flow

Cold formed solid steelVehicle Applications: 2004-2012 Chevrolet Colorado/Canyon (All Cabs) 1 1/4" Front SwaybarVehicle Applications: 2004-2012 Chevrolet Colorado/Canyon (All Cabs) 1 1/4" Front Swaybar

Lightweight spring cup design

Eagle "ESP" Forged 4340 Steel Crankshaft - SB Chevy 400, 400 Main Journals (No Spacer Bearings Required) - 3.750" Stroke, 5.700" Rod Length, 2.100" Rod Journal Rocker Cover Gasket 3/8 in Female DrainEagle forged 4340 steel cranks feature a non twist forging, . 125" fillet radiuses for superior strength so chamfered narrowed bearings required, nitrided surface, &amp micropolished to &lt 2 ra. Intended for the most demanding applicationForged AISI ASME certified 4340 steel with multi stage heat treatment for superior strength Service: Eagle connecting rods and cranks are designed and manufactured to our specifications. Some simply purchase generic