IK425 6 Cylinder Gas Intake Manifold fits Oliver Tractors 88 Super 88One New Aftermarket Replacement Intake Manifold for Oliver Tractors 88, Super 88, and 880 This aftermarket replacement gas intake manifold fits Oliver 6 cylinder gas engine tractors. It mounts to the cylinder head and delivers the air fuel mixture from the carburetor to the engine. Important: This manifold fits tractors with a 2 3 8" center to center carburetor bolt hole spacing. Measure your carburetor bolt hole spacing before ordering. Early Oliver