1. This high-quality central pneumatic spring and cylinder head gasket kit (part number E100229) is suitable for most 8 gallon, 10 gallon, and 21 gallon central pneumatic air compressors.
2. The center line of one cylinder head gasket bolt passes through size 2 3/8 inches, while the center line of the other cylinder head gasket bolt passes through size 2 19/34 inches.
3. The size of the reed valve is 1 27/32 inches.
4. Please check the dimensions as this reed valve kit is suitable for most air compressors, but not all.
Attention: It is absolutely necessary to install valves with a small amount of grease/petroleum jelly during the installation process to help secure their position. Otherwise, it may cause premature damage to the valve.