Eagle "ESP" Forged 4340 Steel Crankshaft - SB Chevy 350, 2 Piece Rear Seal - 3.480" Stroke, 5.700" Rod Length, 2.100" Rod Journal RG10003L Wing trees have an “X”

Wing trees have an “X” design for lateral and horizontal strength

Rocker stud: N/A

It comes standard with our #3514 Heavy Duty 4-link but can be upgraded to the 4-link of you're choice

Compatible with HANS and other head & neck restraints

Sides / Tailgate included

Eagle "ESP" Forged 4340 Steel Crankshaft - SB Chevy 350, 2 Piece Rear Seal - 3.480" Stroke, 5.700" Rod Length, 2.100" Rod Journal RG10003L Wing trees have an “X”Eagle 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