PROFORM
Adjustable Secondary Cam Bracket For Holley 4150 And Proform Carburetors
picture may not exactly match actual product
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This newly designed secondary pump cam bracket features a mechanical idle enabling you to manually adjust the secondary throttle plates on your Holley 4150 carbs and PROFORM carburetors. May not be legal for sale or use in California or on many pollution controlled vehicles | 
