Eagle "ESP" Forged 4340 Steel Crankshaft - SB Chevy - 3.750" Stroke - 350 Mains - Internal Balance - 1875 Bobweight - 4340 - 5.7" Minimum Rod Length - Late (1 Pc Seal) SB Chevrolet YA0804 Welds to frame and accepts

Welds to frame and accepts upper A-arm

High quality die-cast aluminum thermostatic sandwich adapter with 3/8" NPT ports and an O-ring diameter of 2 3/4"

The different sizes available are intended for a class of cars traveling at certain speeds

Side A is 1/16" NPT

Eagle "ESP" Forged 4340 Steel Crankshaft - SB Chevy - 3.750" Stroke - 350 Mains - Internal Balance - 1875 Bobweight - 4340 - 5.7" Minimum Rod Length - Late (1 Pc Seal) SB Chevrolet YA0804 Welds to frame and acceptsEagle 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