Eagle BB Chevy 4340 Forged Crank - 4.750 Stroke SF523 Designed specifically for GM LS

Designed specifically for GM LS Series truck/SUV with 8mm sleeve

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Eagle BB Chevy 4340 Forged Crank - 4.750 Stroke SF523 Designed specifically for GM LSEagle forged 4340 steel cranks feature a non twist forging, . 125" fillet radiuses for superior strength so chamfered narrowed bearings required, nitrided surface, and micropolished to 2 ra. Intended for the most demanding application Eagle's commitment to quality and service has resulted in customer loyalty and satisfaction. This, in turn, has fueled rapid growth over the years. Eagle added crankshafts to our lineup a few years later as well as