- Fuel, Carbs & Intakes
- Carburetor Tuning Components
- Carburetor Power Valves & Accessories
- Holley Power Valve Protector Check Ball Kit
The Holley Power Valve Protector Check Ball Kit protects the power valve from blowout and can be added to older model 2300#, 4150 and 4160 carburetors. The kit consists of a spring#, brass seat#, check ball#, the proper drill bit with stop and detailed instructions for easy installation!