Eagle Chevy 409 4340 Forged Crank - 4.000 Stroke RS003C0410 each component is CNC-machined for

each component is CNC-machined for precision fit and unmatched flow

From the development of our first fender flares for the Ford Bronco

shift points

Heat Shield:

The rods are powder coated for a finished and professional look that won't rust and our red anodized handle is easy to locate quickly

Eagle Chevy 409 4340 Forged Crank - 4.000 Stroke RS003C0410 each component is CNC-machined forEagle 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