Ford Racing's CNC Ported Cylinder head comes fully assembled and is a direct bolt on replacement for the original Zetec head. Assembled with Stainless steel intake and exhaust valves with factory production valve springs. Tested on Steeda's Bumblebee #22 Race Focus!
- Fits Focus ZX3 2.0L
- CNC'd for improved
flow
- Cast from prime
319 aluminum
- Assembled with 21-4N
stainless steel intake and exhaust valves, production valve springs
and retainers (tappets, cam and cam seals not included)
- Intake valve diameter:
33mm, Exhaust valve diameter: 30mm
- Chamber volume 47.7cc
nominal
- Bare head weighs
28.3lbs.
- Production intake
and exhaust manifolds bolt on
- CNC'd for flow improvement
includes 3 angle valve job
Typical airflow (@
28" of H20 depression) as delivered.
|
Lift
|
Intake Flow
(SCFM)
|
Exhaust Flow
(SCFM)
|
|
.050
|
38.0
|
32.8
|
|
.100
|
80.7
|
74.9
|
|
.150
|
119.1
|
109.1
|
|
.200
|
153.7
|
144.6
|
|
.250
|
181.0
|
167.9
|
|
.300
|
193.0
|
186.0
|
|
.350
|
204.8
|
188.5
|
|
.400
|
214.0
|
193.1
|
|
.450
|
220.3
|
195.2
|
Fits Vehicle Model:
Ford Focus ZX3, ZX4, ZX5, Zetec Engine
Fits Model Year:
2000, 2001, 2002, 2003, 2004
