Eagle BBM RB 4340 Forged Crank 4.375 Stroke 23012C Shaft is used to help

Shaft is used to help align counter shaft when replacing clutch discs and clutches

If used with headers the front tube must turn down enough to allow access to the bolt hole in front of the second pipe as shown in the side view

Holley 2-Barrel

3 in Tall Letters

Eagle BBM RB 4340 Forged Crank 4.375 Stroke 23012C Shaft is used to helpEagle forged 4340 steel cranks feature a non twist forging, . 125" fillet radiuses for superior strength so chamfered narrowed bearings required, nitrided surface, &amp micropolished to &lt 2 ra. Intended for the most demanding applicationForged 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