Mini 1275 A series St3 gas flowed polished and ported cylinder head
Mini 1275 Stage 3 gasflowed unleaded cylinder head 35.6x29.4mm. The ports are opened up and reshaped and polished for better gasflow, The combustion chambers are also polished and reshaped for better gas flow and combustion. The head has 35.6mm inlet valves and 29.4mm exhaust valves. New cast iron guides with a tapered nose are fitted and uprated double valve springs with spring seats and 4 valve stem oil seals. The head has 21cc's in the combustion chamber (this can be altered to your requirements). Please call 07973 325 328 for details on the machining your own head as we can tailor it to your own spec. This head is ideal…
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