CRANK CHEV 383 4340 350m 3.75str 2pce rms

Eagle's forged 4340 steel crankshafts are great for high-performance applications. They feature non-twist forging, go through a multi-stage heat-treatment process, and are stress-relieved and shot-peened. These cranks are X-rayed, magnafluxed, and sonic tested, so you know you're getting a top-quality piece. Each crankshaft has cross-drilled and chamfered oil holes for improved oiling, a .125 inch. radius on rod and main journals for increased strength, and the journals are precision-ground and micro-polished to less than 5 RA. A target bobweight of +/- 2 percent greatly reduces balancing time. 2 piece rear main seal, internally balanced. Rod Journal Diameter 2.100 inch, Main Journal Diameter 2.449 inch, Balancer Bolt Thread Size 7/16-20 inch, Crankshaft Snout Style - Standard. For use with a 5.7 or 6.0 inch conrod.