R420.2 Intake Port Size:Standard Small Cleanup Pass All mounting hardware is included

All mounting hardware is included

5" thick water pump spacers for a 9

and will be machined as tall as possible unless custom port is selected

so no silicone is necessary

unless custom port is selected

R420.2 Intake Port Size:Standard Small Cleanup Pass All mounting hardware is includedThe R420. 2 cast single plane intake was developed by Brett Miller and made in the US. The carb pad opening comes at a 5. 250" square, unless 5. 800 is selelcted. The ports will be cleaned up at a small size, unless custom port is selected, in which we will match the intake to your port and deck height. The chevy flange is meant to fit 5 degree face angle heads, and will be machined as tall as possible unless custom port is selected.