These new O ring idle mixture screw gaskets fit Holley double pumpers or vacuum secondary carbs. You will receive TWO O ring gaskets.
Holley O Ring Idle Mixture Screw Gaskets - Ten Pack.
Holley Model 4180 Idle Mixture Screws With O-Ring Gaskets. Set Of Four.
Holley Model 4180 Idle Mixture Screws With O-Ring Gaskets - Twin Pack.
Moroso Clear View Plastic Sight Plugs with O-Ring for Holley Carburetors 65226
Sure Seal Aluminum 2 Inch Tall O-Ring Air Cleaner Spacer 5-1/8" Neck Holley
Sure Seal Aluminum 1 Inch Tall O-Ring Air Cleaner Spacer 5-1/8" Neck Holley
