Eagle BB Chevy 4340 Forged Crank - 4.000 Stroke Shop Equipment The 4113 balaclavas are made

The 4113 balaclavas are made with a single layer design featuring one large eyeport

Adds protection during a collision

Durable carbon fiber body

F- rated silicone jacket protects a rugged fiberglass braid that is tightly woven over dielectric strength EPDM (Ethylene Propylene Diene Monomer) insulation which exceeds SAE specifications

Driven keeps things in the proper order

Eagle BB Chevy 4340 Forged Crank - 4.000 Stroke Shop Equipment The 4113 balaclavas are madeEagle 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