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This is a complete head assembly. It Fits
5.0L/5.8L Windsor engines. The heads are cast with high-flow ports. It
requires competition valve job and bowl blending. The suggested valve
size is 2.02” intake and 1.60” exhaust. The steel alloy intake and
exhaust valve seats installed (no valve job). Manganese-bronze valve
guides are installed with semi-finished ID. It has a 63cc CNC’d
combustion chamber. It is cast from prime A356 T6 aluminum. Intake port
volume as cast is 204cc. Exhaust port volume as cast is 85cc. The Bare
head weighs in at 27 lbs. The Laser cut guide plates is included. There
is a 20 degree inline valve head. It accepts both tapered seat and
gasket style 14mm spark plugs (Motorcraft AGSP-32-PP, Autolite 3924,
3925). This cylinder head was designed using Solid Modeling Technology.
Requires screw-in rocker studs and roller rockers (not included). Raised
exhaust port exit, custom headers may be required.
Assembled Head Features
Assembled for use on 302/351W crate motors
using hydraulic camshafts.
Premium stainless steel 2.02" intake and
1.60" exhaust valves.
Valve springs with steel retainers and
machined 7-degree valve locks. Most hydraulic cams can be used with
these springs.
Guide plates for 5/16" pushrods and 7/16"
rocker studs included.
Compatible with the roller rocker arms.
Check piston to valve clearance including
radial valve clearance before installing these cylinder heads on your
engine.
Cork valve cover gasket recommended.
TYPICAL AIRFLOW (@ 28" OF H20
DEPRESSION) WITH 2.02 INTAKE VALVE, 1.60 EXHAUST VALVE AND COMPETITION
VALVE JOB
|
LIFT |
INTAKE FLOW
(SCFM) |
EXHAUST FLOW
(SCFM) |
|
.050 |
31.1 |
26.4 |
|
.100 |
64.6 |
55.8 |
|
.150 |
103.0 |
84.6 |
|
.200 |
135.3 |
113.3 |
|
.250 |
167.0 |
146.8 |
|
.300 |
199.0 |
171.6 |
|
.350 |
227.2 |
190.2 |
|
.400 |
245.2 |
200.4 |
|
.450 |
259.8 |
207.2 |
|
.500 |
271.9 |
212.8 |
|
.550 |
277.3 |
218.1 |
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