|Airflow System 4 inch butterfly valve for modulating airflow to oil coolers installed on 45 degree duct. It's Welded in metal shaft bushings, not plastic. The CNC machined lever arm with pinch bolt allows for various positions on shaft. Has proper swiveling cable attachment with set screw. May be mounted in multiple orientations. It is anodized for corrosion resistance and appearance|
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Looks good- need to keep the air/valve separate from the shroud so u can buy the size shroud you want
ASOCD-45-13BV OIL COOLER DUCT BUTTERFLY VALVE
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This would use 4 inch duct.
The base of the butterfly is 4" x 4".