300-931 and 300-931BK have a 4150 flange to accept square bore carburetors or a Sniper EFI. They are machined from castings without the bosses for fuel injectors for a cleaner look.

Features

Minimum carb flange height for maximum clearance to hood

4150 type throttle/carb flange

Cast aluminum construction. Great for turbocharger, centrifugal blower or NOS power adders

Billet fuel rails included with 300-930, 300-930BK

Unique casting for 300-931, 300-931BK without injector bungs for clean appearance

Height to throttle valve flange in front is 3.31-inch, rear is 4.25-inch

Port size: 1.72-inches tall, 1.75-inches wide

Billet aluminum oil fill cap included

Designed for use with either Bosch EV1 or Gen III Hemi OEM fuel injectors

O-ring seals around ports