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The original Special Tuning head 8 port head by Jim Whitehouse is the ULTIMATE Push rod head for the "A"Series has now been revamped with larger inlet valves and special seats available to special order.Ports and combustion chambers are CNC machined and ready to use. It is supplied fully assembled with springs/top caps and uses larger 37mm. inlet valves and 30.5mm exhaust valves and will handle cam lifts up to .500" Also in this kit is a set of correct length (.220"longer) push rods C-AEG583,plus the longer block to head studs,head studs,gaskets for inlet and exhaust manifolds. Standard S con rods Number 2 and 4 usually need modification for clearance owing to cam lobe configuration. Con rods ready to fit are available as AEG625. Special 8 port cams are required,see C-AEG310/311/312. Special exhaust manifold C-AHT343 is also required. Combustion chamber is approx 21cc to suit sensible compression ratios on big bore engines and from January 2012 the revamped head uses stepped guides which retain the valve spring platform as per all modern day race heads. A special set of 8 port hilift roller rockers in correct sequence and spacings are also available as C-AHT448 for this new head. A fully programmable injection management kit is available as C-AJJ4065.
Head Arden 8 Port 37mm Large Valve 2012 Version

Head Arden 8 Port 37mm Large Valve 2012 Version

Head Arden 8 Port 37mm Large Valve 2012 Version
Part No: C-AJJ4064RACE
$4664.95
Qty:
Fits the following:
Classic Mini
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The original Special Tuning head 8 port head by Jim Whitehouse is the ULTIMATE Push rod head for the "A"Series has now been revamped with larger inlet valves and special seats available to special order.Ports and combustion chambers are CNC machined and ready to use. It is supplied fully assembled with springs/top caps and uses larger 37mm. inlet valves and 30.5mm exhaust valves and will handle cam lifts up to .500" Also in this kit is a set of correct length (.220"longer) push rods C-AEG583,plus the longer block to head studs,head studs,gaskets for inlet and exhaust manifolds. Standard S con rods Number 2 and 4 usually need modification for clearance owing to cam lobe configuration. Con rods ready to fit are available as AEG625. Special 8 port cams are required,see C-AEG310/311/312. Special exhaust manifold C-AHT343 is also required. Combustion chamber is approx 21cc to suit sensible compression ratios on big bore engines and from January 2012 the revamped head uses stepped guides which retain the valve spring platform as per all modern day race heads. A special set of 8 port hilift roller rockers in correct sequence and spacings are also available as C-AHT448 for this new head. A fully programmable injection management kit is available as C-AJJ4065.
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