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TRIUMPH PLATES - Browse Original Triumph Catalogue Plates
CYL HEAD 83MM ALLOY
Part No:
511695A/83
NOT AVAILABLE This part is no longer available
TR4A New cast iron cylinder head. This head is supplied with a combustion chamber to suit TR3-4A with 83mm pistons
Please be aware that the shroud over the inlet valves, which is usually removed when a cylinder head is 'worked' has been omitted on these heads. This modification provides a great improvement in gas flow but does require the use of a solid copper gasket to ensure a reliable gas tight seal. RevingtonTR sell a range of suitable gaskets, the thickness of which can be chosen to provide a desired compression ratio. Please see the list below.