Cylinder head 8 port arden large valve 2012

Alloy 8 Port Head with 37.mm inlet valves with springs/top caps built up to take .500 thou cam lift with approximately 21cc combustion chamber.The valve springs used are C-AEA526 with a fitted length of 1.350″for the most radical of race cams C-AEA527 may be used with a fitted length of 1.440″ This is the cylinder head only and not a straight bolt on part so see description for C-AJJ4064 kit.All heads are hipped and heat treated from the foundry and pressure tested before machining and again after they are assembled.Special camshaft and modification to No 2 &4 con rods is required, or special rods AEG625 are available using different bolt configuration.Original design and tooling from Jim Whitehouse-the founder of Arden Conversions this head with tecalemet injection won class and series outright,in the 1969 British saloon car championship on a 970cc Cooper S.37mm inlet and 30.5mm exhaust valves Head Gasket GEG300,BK450 or C-AHT189 cometic type must be used