Eagle BB Chevy 4340 Forged Crank - 4.250 Stroke - L/W 69013 Factory-Fit

Factory-Fit

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

Will also accept bump springs with 5/8" I

1973-1979 Pontiac Grand Am

All Cometic fiber materials are asbestos free and require no additional sealants

Eagle BB Chevy 4340 Forged Crank - 4.250 Stroke - L/W 69013 Factory-FitEagle 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