GM INTAKE VALVE SEAT

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A valve seat is the surface inside the cylinder head where the valve rests and seals. It plays a key role in maintaining compression and proper combustion by preventing leaks.
Replace if there is compression loss, wear, pitting, or seat recession. It is often replaced during cylinder head refurbishment.
DAM Marine offers valve seats made of high-temperature alloys or steel, resistant to heat, corrosion, and marine stress, compatible with Volvo Penta, Mercruiser, Yanmar, OMC and others.
Exhaust valve seat for GM BB engine with the following dimensions:
Exterior: 50.8mm
Interior: 40.4mm
Thickness: 9.7mm
Exhaust valve seat with the following dimensions:
- External diameter: 41.3mm
- Inner diameter: 35mm
- Height: 5.75mm