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4.6L POWER IMPROVEMENT (PI)
CYLINDER HEADS STOCK
M-6049-P46 Right Hand $450 
M-6050-P46 Left Hand $450
Current Production 4.6L SOHC 2V aluminum cylinder heads
Fully machined and assembled with production Mustang
GT valvetrain and camshaft
Less expensive than replacing valvetrain and remachining
a used cylinder head
Can be used on 1996-98 engines with additional
modifications and parts sold separately
43cc chamber volume
Raises compression on 1996-98 engines to 10:1 |
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P.I. STAGE
2
2054-PI $1595
Current production SOHC 2V aluminum heads
Stock valvetrain
5 axis CNC machined
Intake flows 207 cfm, 0.600 lift
Exhaust flows 195 cfm, 0.600 lift
Fully machined and assembled
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P.I. STAGE 3
2056-PI $3195
Current production SOHC 2V aluminum heads
High flow stainless 45mm intake and 36.mm
exhaust valves
Full race port and polish, includes advanced bowl,
short turn and runner work on both intake and exhaust
Intake flows 225 cfm, 0.600 lift
Exhaust flows 205 cfm, 0.600 lift
47cc chamber volume
Works best with our more aggressive grind cams,
intake and full exhaust systems
Fully machined and assembled
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4.6 4V, 1996-98 STAGE 2
2043 $2695
Early production 96-98 4.6L DOHC 4V aluminum heads
Advanced short turn, bowl work, and port shaping for
massive flow, reworkerd chamber
Fully machined and assembled using SHM exclusive
stainless valves, hardened steel retainers, and single groove
locks
43cc chamber volume
Intake flows 287 cfm @ .500 valve lift
Exhaust flows 194 cfm @ .500 valve lift |
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4.6 4V, 1996-98 FULL RACE
2044 $7495
Early production 96-98 4.6L DOHC 4V aluminum heads
Full race porting with complete cylinder unshrouding,
coupled with our big valves, high rev dual springs,
leads to one of the best race only heads
Fully machined and assembled with mag-bronze guides,
dual springs, titanium retainers, hardened locks,
oversize valves, seats and race valve seals
O Ring available for use with our copper gaskets
52cc chamber volume
Intake flows 304 cfm @ .500 valve lift
Exhaust flows 241 cfm @ .500 valve lift |
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4.6 4V, 1999-01 STAGE 2
2046 $2695
99-01 production 4.6L DOHC 4V aluminum heads
Fully ported and polished with advanced port shaping and chamber work lead to a
high output street/strip head
Designed to be used with performance grind cams
Completely machined and assembled using SHM exclusive stainless valves, hardened
steel retainers, and single groove locks and multi-angle valve seats
54cc chamber volume
Intake flows 273 cfm @ .500 valve lift
Exhaust flows 195 cfm @ .500 valve lift |
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4.6 4V, 1999-01 FULL RACE
2047 $7495
99-01 production 4.6L DOHC 4V aluminum heads
Extreme porting, massive chamber reshaping, dual valve springs, oversize seats and high
flow stainless valves make this one of SHMs best heads
Designed to be used with SHMs more aggressive cams
Completely machined and assembled using SHM exclusive stainless valves, titanium retainers,
and single groove locks, race seals, high rev dual springs, and mag-bronze guides
O-ring available for use with our copper gaskets
54cc chamber volume
Intake flows 288 cfm @ .500 valve lift
Exhaust flows 237 cfm @ .500 valve lift |
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4.6 4V, 2003-UP COBRA/MACH 1 STOCK
2053 $2199
Current production 04 Cobra heads
Best production 4V cylinder head design
Re-designed coolant flow for even valve cooling
Completely assembled including valves, springs, hardware
Includes camshafts
Works with 99-01 Cobra intake, or FR500 intake
52cc chamber volume
Direct replacement part |
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4.6 4V, 2003-UP COBRA/MACH 1 STAGE 2
2058 $2695
Current production 4.6L DOHC 4V aluminum heads
Fully ported and polished with advanced port shaping and combustion chamber
unshrouding give these heads the edge for all out street/race use
Can be used with stock cams, but will perform to its max when used with SHM performance
grinds
Fully machined and assembled using SHM exclusive stainless valves, hardened retainers, and
single groove keepers
52cc chamber volume |
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4.6 4V, 2003-UP COBRA/MACH 1 FULL RACE
2059 $7495
Current production 4.6L DOHC 4V aluminum heads
Full race ported and polished, combustion chamber
unshrouding and reshaped, oversize valves and sets joined
with our high rev dual springs make this one lethal
competition head
Designed to be used with SHM performance grinds
Completely machined and assembled using SHM exclusive
stainless valves, hardened steel or titanium retainers, dual
springs, mag-bronze guides, oversize seats, race seats and
single groove keepers
Can be O-ringed for use with our copper gaskets
52cc chamber volume |
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FORD GT
CYLINDER HEADS
M-6049-GT-RIGHT $1999
M-6050-GT-LEFT $1999
GT heads feature a reduced size lash adjuster allowing for
a raised intake port, creating a more direct intake path
These heads are the final revision of the 2000 Cobra Rheads
The most durable highest flowing modular engine cylinders heads available
Same casting used on M-6007-R50 Grand Am cup race engine
Fully loaded assembly
37 mm intake valves, 32 mm exhaust valves
Intake valve lift: 11.14 mm, exhaust valve lift: 11.36 mm
42.5 to 45 cc combustion chambers |
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DOHC REGROUND CAMSHAFTS
2710 Stage 1 $695
2720 Stage 2 $695
2725 Blower $695
2722 Stage 3 $695
2723 Turbo $695
2715 Road Race $695
Core Charge $300
(add core charge unless sending cams in for grinding)
Factory cams reground with new profiles to suit your application.
Consult our customer service for help in selecting the
correct grind for your current and planned upgrades.
Reground cam sets include 4 camshafts, shims for the lifters,
and complete instructions. Installation requires special tools.
Camshafts returned as cores must be in serviceable condition.
View Full Profiles |
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4.6 SOHC BILLET CAMSHAFTS
102100 $620
102200 $620
102300 $620
102500 $620
102600 $620
102700 $620
The Comp Cams engineering team has taken these great
new Ford Modular engines and pulled even more torque and
power out of them. Comp cams incorporate faster opening
and closing on billet blanks to ensure long life. Some grinds
require computer or mechanical upgrades to see the best
performance and driveability. Includes 2 camshafts and
instructions. Installation requires special tools.
View
Available Profiles |
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2V BEEHIVE SPRINGS
221427-16 SET OF 32 $199
Better valve train stability and component life. |
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4V BEEHIVE SPRINGS
221427-32 SET OF 16 $465
Better valve train stability and component life. |
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4V RACE VALVE SPRINGS
3310 $12.50
Race quality high performance double valve springs to
eliminate valve float at high rpm. Machine work required
for installation. Seat pressure 100 lbs. @ 1.315. Open
pressure 285 lbs. @ .840.
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4V STOCK VALVE SPRINGS
6513-2 1996-04 4.6L 4V each $5.49
Stock valve springs for 4 valve cylinder heads, good for
moderate performance increases. Suitable for cam lift to
.495, up to 7500 rpm. |
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SHM RACE VALVE PACKAGE
3370T $1495
Complete kit for DOHC 4.6 including SHM stainless valves,
double valve springs, titanium retainers, hardened locks,
and performance valve seals. Machining required. |
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HARDENED STEEL RETAINERS
2399S $3.95
Custom steel retainers built to SHM specifications for our
hardened locks and stock valve springs. |
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TITANIUM RETAINERS
2399I $12.95 ea
Custom titanium retainers built to SHM specifications for
our hardened locks and double valve springs. Best
retainers available for race engines, tested reliable at 1600
hp and 10,000 rpm. |
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Exclusive stainless high flow 4V intake & exhaust valves.
Features hardened tip, swirl polished head and full chrome
stem. For use with our single groove keepers.
4V SHM INTAKE VALVE
SHM VI 37mm $14.95
SHM VI-1 +1mm oversize, 38mm $14.95
SHM VI-2 +2mm oversize, 39mm $14.95
4V SHM EXHAUST VALVE
SHM VE 30mm $14.95
SHM VE-1 +1mm oversize, 31mm $14.95
SHM VE-2 +2mm oversize, 32mm $14.95 |
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4V MANLEY VALVES
11616 intake, 37mm $16.50
11615 exhaust, 30mm $16.50
11618 intake, 38mm $16.50
11617 exhaust, 31mm $16.50
Similar to the SHM 4V valves but use the stock triple
groove keepers. Great valves for head rebuilds on a
budget. |
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2V MANLEY VALVES
11634 intake, 44.5mm $26.50
11638 intake, 46.83mm $26.50
11635 exhaust, 34mm $26.50
11637 exhaust, 36mm $26.50
Stainless high flow valves for 2V motors. Features swirl
polished heads, chrome stems and hard tips for use with
stock keepers. |
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Exclusive stainless high flow valves now for the 2V motor!
Features swirl polished heads, chrome stems and hardened
tip.
2V SHM INTAKE VALVE
SHM-2V1 45.5mm
SHM-2V2 47mm
2V SHM EXHAUST VALVE
SHM-2VE-1 36mm
SHM-2VE-2 37mm
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2V/4V HIGH PERFORMANCE VALVE GUIDE
4120 $4.95
High performance manganese - bronze replacement valve
guide for 4V heads. |
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4V RACE VALVE GUIDE
4121 $4.95
Manganese - bronze guide for use with our 4V dual springs
and race seals. |
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PERFORMANCE VALVE SEALS
4207 1996-04 4V with double springs $3.95
High performance positive-type valve seals for use with
double springs. Requires machining.
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HARDENED SINGLE GROOVE VALVE LOCKS
1399H $4.95
Hardened 4340 valve locks with single groove for SHM or
Manley valves. |
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4V RACE INTAKE SEAT
1520 $14.95
Oversize nickel-bronze race seats for use with stock or
oversize intake valves. |
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4V RACE EXHAUST SEAT
1332 $14.95
Oversize nickel-bronze seats for use with oversize exhaust
valves. |
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