Holley Sniper Roll Over Valve - External - Check Valve - 5/16 Barb - Aluminum - Machined Bill Miller Engineering It includes a copper washer

It includes a copper washer which is far superior to the standard plastic washers

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Pontiac 400-455

KIA Hyundai/KiaVehicle Applications: Hyundai

Please check the application guide on page 15 to find the Hybrid model for YOUR car

Holley Sniper Roll Over Valve - External - Check Valve - 5/16 Barb - Aluminum - Machined Bill Miller Engineering It includes a copper washerFuel Tank Vent Valve Gasoline Fuel System Product Description: Roll Over Valve Vent External Check Valve 5 16 in Hose Barb Aluminum Machined Sold Individually For over a century Holley has driven the cutting edge of fuel system design. That work continues today through Holleys market leading EFI products as well as through Holleys family of best in industry brands. Top brands like MSD, Flowmaster, Hurst, Accel, and many more make up the industrys