Eagle Forged Crankshaft - 4.250 in Stroke - Internal Balance - 2-Piece Seal - Big Block Chevy SF52213 1958-1959 GMC PM250

1958-1959 GMC PM250

Visor coating: Transmitter test to ensure colouration and vision is not significantly changed or distorted

Dial in a small adjustment for precision settings and optimal performance

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Eagle Forged Crankshaft - 4.250 in Stroke - Internal Balance - 2-Piece Seal - Big Block Chevy SF52213 1958-1959 GMC PM250Eagle 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