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STI MY257 MY08-11
Top ring sealing is assisted by the use of lateral gas ports
STYLING STATEMENT
13272AA040 (LH Gasket)
Half Moon Cylinder Head Plug Air Fuel Ratio Sensor STI MY257 MY08-11Half moon camshaft plugs for rear of cylinder heads are part of the valve cover sealing. Made of hard plastic. The plastic half moons can become brittle due to a combination of heat, age, and chemical exposure. These are installed into the cylinder head using RTV sealer around the perimeter. Sold individually. Manufacturer Part No: 11051AA070 What it fits: DOHC EJ20 MY90 07 DOHC EJ25 MY96 07 EZ30 EG33
