This item is not in stock and has to be ordered. Therefore it has a longer delivery than normal!
Higher topp effect and more torque at lower rpm compared with a original cylinder head. Porting adapted for power above 550 hp. stronger valve springs and stainless steel valves make it possible to reach very high boost pressures and a range up to 7.500 rpm
with correct adapted camshafts.
Leveled and washed
Stainless steel valves
new valve seals
Mira-made valve-seats/ fullrange seats.
Race porting of intake/exhaust canals.
New valve seats.
stronger valve springs
Original cylinder head sends to us for inspection and approval.