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 4.6 \ 5.4 Modular CNC
Ported Heads
· These heads feature brand new (not used,
remanufactured like competitors) Ford Racing, long thread spark plug
hole castings
(A MUST HAVE FOR HIGH HORSEPOWER, BOOSTED OR NITROUS APPLICATIONS).
These new castings feature thicker port walls giving us the ability to
optimize our CNC port design without the limitation of used older style PI
castings. castings feature
larger, lightweight swirl polished stainless steel intake and exhaust valves to maximize
airflow volume and efficiency · High-lift spring and retainer upgrade for
large cams and forced induction · Bronze valve guides installed for extra
reliability · Complete 5-axis CNC porting program from intake runner to
combustion chamber to exhaust port · Intake runner cross-section
increased down to the bowl area · Combustion chamber is CNC profiled to
eliminate hot spots, helping to prevent detonation for power-adders
· Tongue is removed from combustion chamber, further improving intake
airflow · Innovative "D-port" exhaust outlet to maximize flow in
power-adder applications · Finished port volumes - 186cc intake/93.2cc
exhaust) · The ultimate in 2-valve air flow New castings
assembled with oversize
stainless valves, bronze guides, H.P.
springs and retainers. Reg $2299.95
SALE PRICE
$1999.95
*a Pair Outright*
SALE PRICE Porting starts at the gasket surfaces and continues DEEP into the intake
and exhaust runners · BRAND NEW LONG PLUG THREAD Ford Racing PI castings to assure the highest
quality and reliability · Great improvements in airflow and port balance at a great price.
New castings
assembled with new
P I valves and
springs.
Reg $1599.95
SALE PRICE
$1399.95
*a Pair Outright* New castings assembled with new valves and springs. Reg $1599.95
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