Eagle BB Chevy 4340 Forged Crank - 4.500 Stroke NZSC1015 Brackets include a built-in adjustable

Brackets include a built-in adjustable throttle stop to help prevent damage to carburetor

Replacement bearings for Allstar Performance birdcages and many other brands

you increase the amount of power going to the tires and improve your ET's as well

Reverse Pattern

ST5 FN ZERO Carbon

Eagle BB Chevy 4340 Forged Crank - 4.500 Stroke NZSC1015 Brackets include a built-in adjustableEagle 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