Eagle SB Chevy Cast Steel Crank - 3.480 Stroke (IMCA) 739009 1-1/2 in Hose to 1-1/2

1-1/2 in Hose to 1-1/2 in Hose

Pressure Transducer Adapter

5:1 compression

This is simply a piece of tubing that takes the place of what would be a Mass air meter in the later 89 up cars

and USRA approved

Eagle SB Chevy Cast Steel Crank - 3.480 Stroke (IMCA) 739009 1-1/2 in Hose to 1-1/2Eagle cast crankshaft is an upgrade from an O. E. crankshaft. No lightening holes in rod throws to meet IMCA requirements for O. E. replacement crank. . 125" fillet radiuses for increased strength. Chamfered or narrowed bearings required. Cast steel for strength improvement over cast iron. Service: Eagle connecting rods and cranks are designed and manufactured to our specifications. Some simply purchase generic products and package in their boxes