Eagle Pro Street balanced rotating assembly for Chevy 408 applications is built for naturally aspirated racing use and includes a forged 4140 crank, 4340 I-beam rods, ARP 8740 rod bolts, forged pistons, and plasma-moly file-fit rings. The assembly is supplied balanced and intended to serve as a direct foundation for a high-revving, naturally aspirated race engine build.
Eagle Chevy Pro Street 408 Balanced Rotating Assembly 4140 Crankshaft w/ 4340 I Beam Rods