Eagle BB Chevy 4340 Forged Crank - 4.250 Stroke - L/W H764C36XL Minor block clearancing required

Minor block clearancing required

680" Spring Seat Cutter from COMP Cams will allow the engine builder to machine the cylinder head to the proper size for your spring

coil-over shocks and springs are included

Leaf Spring Bump Stop

Eagle BB Chevy 4340 Forged Crank - 4.250 Stroke - L/W H764C36XL Minor block clearancing requiredEagle 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