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Performance inlet valve to fit 2000 engines. 46mm diameter head - the largest size you can fit with normal spark plugs. 8mm valve stem diameter for improved air flow, 45 degree seat angle for...
Performance inlet valve to fit 2000 engines. 45mm diameter head - 1mm larger than standard. 9mm (standard) valve stem diameter with standard 30 degree valve seat angle. The valve is also...
Valve guide to fit FIA specification GTA inlet valves with 8mm stem diameter. Please note that original GTA valves were 8.5mm stem, we use an 8mm valve as it will improve intake flow.