Eagle BB Chevy 4340 Forged Crank - 4.250 Stroke - L/W 69013 1979-1984 GMC G1500

1979-1984 GMC G1500

Air shipping approved

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

Eagle BB Chevy 4340 Forged Crank - 4.250 Stroke - L/W 69013 1979-1984 GMC G1500Eagle 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