Eagle 3.400" Stroke Crankshaft Internal Balanced Forged Steel 1 or 2 pc Seal - Small Block Ford 31020 Lightning quick 10 Hz signal

Lightning quick 10 Hz signal update rate is the fastest available

while a standard-size cap offers more firewall and manifold clearance than HEI-style distributors

2 in Width

and rivets

GM A-Body 1973-77 / F-Body 1970-81

Eagle 3.400" Stroke Crankshaft Internal Balanced Forged Steel 1 or 2 pc Seal - Small Block Ford 31020 Lightning quick 10 Hz signalEagle 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