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Key improvements Include:
Flow proven CNC port optimisation
CNC equalised combustion chambers
Full CNC infinite angle valve seats
Seamlessly blended port to chamber transition
De-shrouded spark plugs
Equalised spring decks
Aluminium or steel tappet guides
Tappet guides relieved for high lift cams
Viton stem seal upgrade (Inlet and Exhaust)
Aluminium core plugs
All sealing faces machined
High performance valves, springs, tappets.
Cam selection depending on application
Cylinder heads can be B-Type or Straight Port, covering the full range of XK straight 6 powered GTs and Sporting Saloons
XK 120, XK 140, XK 150, E-Type, Mk1 Saloon, Mk2 Saloon etc