The Eagle cast crankshaft for Chevrolet 305/350 (3.750" stroke, internal balance, 2-piece rear seal) is a direct-fit upgrade from an OE crank. Larger .092" fillet radiuses increase strength while allowing use of O.E. replacement bearings. This cast crank is recommended for pump-gas, naturally aspirated, non-competition road cars where a durable, OEM-compatible replacement is desired.
Eagle Chevrolet 305/350 Small Block 2pc Rear Seal 3.75in Stroke Internal Balance Cast Crank Shaft