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 AED Carburetor Stud Kits for

AED Carburetor Stud Kits for the ultimate in carburetor retention

(4) 10 AN O-Ring Ports

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

Bolt-in mounting

9 in Long Collector

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 AED Carburetor Stud Kits forEagle 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