Eagle Crankshaft - 3.500" Stroke - Internal Balance - Steel - 2 Piece Seal - SB Chevy RS004C15 NOTE: Image is for reference

NOTE: Image is for reference only and shows model FB132E

1972-1972 Mazda R100

1963-1973 Chevrolet Bel Air

ST5 FN Carbon

True Roller

Eagle Crankshaft - 3.500" Stroke - Internal Balance - Steel - 2 Piece Seal - SB Chevy RS004C15 NOTE: Image is for referenceEagle lightweight forged 4340 steel cranks feature a non twist forging, . 125" fillet radiuses for improved strength so chamfered narrowed bearings required, nitrided surface, &amp micropolished to &lt 2 ra. For naturally aspirated racingForged 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