Eagle Crankshaft - 3.500" Stroke - Internal Balance - Steel - 2 Piece Seal - SB Chevy 56 PRO 1 heads are engineered

PRO 1 heads are engineered for easy installation

Heat Exchanger

K1 Pro / GP2 Youth Helmets

3/4 in 36 Spline

Eagle Crankshaft - 3.500" Stroke - Internal Balance - Steel - 2 Piece Seal - SB Chevy 56 PRO 1 heads are engineeredEagle 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