Eagle BB Chevy 4340 Forged Crank - 4.250 Stroke - L/W 69013 Long stud kit (#RP9510) required

Long stud kit (#RP9510) required when using hold downs with billet wire looms

Air shipping approved

GM X-Body 1969-76

An outstanding reproduction by Scott Drake

Available in red and blue anodized or nickel-plated finishes

Eagle BB Chevy 4340 Forged Crank - 4.250 Stroke - L/W 69013 Long stud kit (#RP9510) requiredEagle 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