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Hayabusa Stainless Steel Exhaust Valve +1mm, size 28.50mm


We have been working on improving the airflow of the cylinder head and for our latest development, we have designed a new valve made of composite materials to cope with higher rpm applications & higher lift camshafts. The valves are +1mm for the inlet and exhaust; 34mm inlet and 28.5mm exhaust. These have been made in large quantities which has enabled us to significantly reduce the cost, yet maintain the high quality.

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