NOTE these head packages are built on order and we require youre old head to build from. We can supply a core if need EMAIL for details.

Package consists of

The best portjob that can be had on a 26 head. well over 300cfm of airflow and strong exhaust percentage 80%.

Chemical cleaned, refaced, deburred, pressure test, Tomei bronze guides, 

The porting procedure we use creates maximum airflow at low lifts which enables good torque in any engine.

Unlike most cnc portjobs which ports are very large my porting on this package provides over 30 cfm more flow at 100,200 and 250 lift figures than anyones cnc port program.

Careful porting and years of experience provide the perfect hi air speed RB port .

All my high end big valve heads are machined on a NEWEN cnc head centre providing my custom bowl and chamber exit blending and highly accurate valve seats to within 1 thou same heights.

Ferrea Dual race springs, titanium retainers, hard colletts , spring seats, 1mm o/s Ferrea valves, LEWIS ENGINES custom 272 race billett cams,

tappett adjustment , full assembled ready to fit.