Assault Racing Products PC2035 Small Block Chevy Single Plane High Rise Plus Satin Aluminum Intake 3000-7500+ RPM SBC RPM Range: 3000 - 7500+ Single Plane High Rise Plus Manifold Height: 6.06 in Square bore carb bolt pattern for the Holley 4150/4160 style carburetor Improved port and runner configuration, consistently makes more power than the normal single plane PC2031 intake