Allstar Performance Motor Assembly — Outside Air System 12V | ALL13001 1970-pontiac-firebird-esi5597854 The hole size increases about

The hole size increases about 1/8in when the hole is flared

25 (D)IN/3 (C)OUT 50 SERIES SUV/PF 616 10

Rotomolded Heat-Insulating Tube

Includes Injen's Heavy Duty Air Filter Cleaner

These are a race version and do not include air or EGR fittings

Allstar Performance Motor Assembly — Outside Air System 12V | ALL13001 1970-pontiac-firebird-esi5597854 The hole size increases aboutOutside air blower motor assembly, commonly mounted inside the driver compartment on vehicles with windows or a closed compartment, to provide forced, filtered air to the driver for cooling and to help prevent shield fogging. Intake top can be used with 1 1 4 in helmet hose as is, or trimmed to accept a larger 3 in hose routed from outside the car, or fastened to a plastic duct for fresh air. Two speed motor recommended for 12 volt systems. Spec