Fully in house ND ported cylinder head, We have been porting our own heads for well over a decade. We produce the best heads on the market with the best results………just look at our demo cars for proof!

The procedures included in this S2 head are as below;

– Port, polish & blend
– Modify combustion chambers & balance volumes
– Fully de-burred
– Skimmed surface
– 3 angle valve seats

Parts included with head;
– ND valve spring kit
– ND shim set
– ND Ti retainers
– ND 1mm oversize inlet & exhaust valves
– ND bronze valve guides
– New high temp valve stem seals

(Suits all capacity engines) (Rated to 900Hp)