Výfukový ventil 30.5mm pro 2012 na 8 portovou hlavu

30.5mm(1.2″) longer exhaust valve for the 2012 on 8 port head onlyfor use with special guides these are plasma heat treated to eradicate premature wear from unleaded petrol–For earlier heads see C-AHT376/7 valves.The valve size has been reduced to its original homologated size which was actually measured as 1.15″- as it works better on the 2012 spec head C-AHT376 & 377 early 8 port valve length 3.870″ 98.298mmNew 8 port, from late 2012 length 3.933″ 99.898mm