"Phantom" Cylinder Heads

Either 3.9 or 4.6 configuration.
Phantom cylinder heads have substantially increased port sizes but standard size valves. The exact specification for these heads can be found in the Head Porting section of this website, but specifications include:

*All cylinder heads can be skimmed to your compression ratio requirements. Price is for 1 pair.

£900.00

Exchange item required info
Outright surcharge: £150.00

Stage II cylinder heads