BMC A Series 7 port Crossflow Aluminium Head. Ready for a pair of DCOEs or throttle bodies.
Tthe head can be used on 848/997/998/1098 and 1275cc.
The head is designed to utilise the standard valve gear and valve guides are supplied.
Combustion chamber volume is 23cc
The head is supplied with hardened valve seats to allow the use of unleaded fuels
Please note these installation guidelines http://www.webcon.co.uk/downloads/a-series-XF-head.pdf
Standard gaskets can be used with the exception of the head gasket where copper gaskets are not recommended and all torque settings are as stock.
The stock exhaust manifold can be used, and exhaust manifold and thermostat housing stud threads are cut at 5/16 UNC
Please see 9900384900AS for fully assembled head
Please note that this head is due to be available from 01/06/2020 and all backorders taken before then will be shipped after that date
