35.7 x 29.3mm valves in chrome stem with cast iron valve guides.
By pass hose tube and heater outlet open This specification of cylinder head, based on used core casting, is modified in true Road sport style to maximize on-road performance for those wanting maximized drive-ability when used with mild to fast-road camshaft specifications. That means optimized torque out-put through port shape and dimension development and valve throat shapes developed to work with the aforementioned camshaft types, along with suitable compression ratios given modern lead-free fuel specifications. Genuine AE lead-free exhaust seat inserts are fitted. High quality cast iron guides are used along with the latest specification chrome stemmed standard MG Metro valves (35.7mm inlet and 29.3mm exhaust) and 180lb (nominal at maximum valve lift) double valve springs to give a cylinder head capable of withstanding a maximum continual peak rpm limit of 6,500rpm and 0.475" valve lift. Combustion chambers are set at an average 21.4cc since most engines these will be used for will already be using a higher compression ratio (CR) and their efficiency will boost dynamic CR considerably. 9-stud fitting as standard. This head has the heater take-off port open and a by-pass hose adapter fitted.
By pass hose tube and heater outlet open This specification of cylinder head, based on used core casting, is modified in true Road sport style to maximize on-road performance for those wanting maximized drive-ability when used with mild to fast-road camshaft specifications. That means optimized torque out-put through port shape and dimension development and valve throat shapes developed to work with the aforementioned camshaft types, along with suitable compression ratios given modern lead-free fuel specifications. Genuine AE lead-free exhaust seat inserts are fitted. High quality cast iron guides are used along with the latest specification chrome stemmed standard MG Metro valves (35.7mm inlet and 29.3mm exhaust) and 180lb (nominal at maximum valve lift) double valve springs to give a cylinder head capable of withstanding a maximum continual peak rpm limit of 6,500rpm and 0.475" valve lift. Combustion chambers are set at an average 21.4cc since most engines these will be used for will already be using a higher compression ratio (CR) and their efficiency will boost dynamic CR considerably. 9-stud fitting as standard. This head has the heater take-off port open and a by-pass hose adapter fitted.
35.7 x 29.3mm valves in chrome stem with cast iron valve guides.
By pass hose tube and heater outlet open This specification of cylinder head, based on used core casting, is modified in true Road sport style to maximize on-road performance for those wanting maximized drive-ability when used with mild to fast-road camshaft specifications. That means optimized torque out-put through port shape and dimension development and valve throat shapes developed to work with the aforementioned camshaft types, along with suitable compression ratios given modern lead-free fuel specifications. Genuine AE lead-free exhaust seat inserts are fitted. High quality cast iron guides are used along with the latest specification chrome stemmed standard MG Metro valves (35.7mm inlet and 29.3mm exhaust) and 180lb (nominal at maximum valve lift) double valve springs to give a cylinder head capable of withstanding a maximum continual peak rpm limit of 6,500rpm and 0.475" valve lift. Combustion chambers are set at an average 21.4cc since most engines these will be used for will already be using a higher compression ratio (CR) and their efficiency will boost dynamic CR considerably. 9-stud fitting as standard. This head has the heater take-off port open and a by-pass hose adapter fitted.
By pass hose tube and heater outlet open This specification of cylinder head, based on used core casting, is modified in true Road sport style to maximize on-road performance for those wanting maximized drive-ability when used with mild to fast-road camshaft specifications. That means optimized torque out-put through port shape and dimension development and valve throat shapes developed to work with the aforementioned camshaft types, along with suitable compression ratios given modern lead-free fuel specifications. Genuine AE lead-free exhaust seat inserts are fitted. High quality cast iron guides are used along with the latest specification chrome stemmed standard MG Metro valves (35.7mm inlet and 29.3mm exhaust) and 180lb (nominal at maximum valve lift) double valve springs to give a cylinder head capable of withstanding a maximum continual peak rpm limit of 6,500rpm and 0.475" valve lift. Combustion chambers are set at an average 21.4cc since most engines these will be used for will already be using a higher compression ratio (CR) and their efficiency will boost dynamic CR considerably. 9-stud fitting as standard. This head has the heater take-off port open and a by-pass hose adapter fitted.
Recommended items for: C-AHT135
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Price : $34.95
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