Eagle GM LS1 4340 Forged Crank - 4.000 Stroke Frontal Head Restraint Restraint Tool Kit Built-in sight window provides easy

Built-in sight window provides easy filter inspection without disassembly

Works w/Most Chrysler

5/16 in Cup End

Tube is 12" long with 4-1/4" diameter

Eagle GM LS1 4340 Forged Crank - 4.000 Stroke Frontal Head Restraint Restraint Tool Kit Built-in sight window provides easyEagle 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