Eagle "ESP" Forged 4340 Steel Crankshaft - SB Chevy - 4.000" Stroke - 350 Mains - Internal Balance - 1855 Bobweight - 4340 - Must Use 6.000" Rod or Longer - Early (2 Pc Seal) SB Chevrolet Lightweight Carbon Fiberglass Composite Fits standard 24" x 18"

Fits standard 24" x 18" nets

1975-1991 Ford F-250

Vehicle Applications: Ford F-150 2013-2009Vehicle Applications: Ford F-150 2013-2009

(4) 10 AN O-Ring Ports

R3500 1991-1989

Eagle "ESP" Forged 4340 Steel Crankshaft - SB Chevy - 4.000" Stroke - 350 Mains - Internal Balance - 1855 Bobweight - 4340 - Must Use 6.000" Rod or Longer - Early (2 Pc Seal) SB Chevrolet Lightweight Carbon Fiberglass Composite Fits standard 24" x 18"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