Toyhead Auto Restoration Services
in Parts, Products and Accessories for Toyotas.
All parts are high performance
these parts will fit all 18RG series motors
and Modification tips for 2T-G, 18R-G, and 3T-GTE Toyota
NEW!!! 18RG Engine
Overhaul Gasket Kit
both 18R-G, and 18R-GEU engines. Price $352.00
A complete Engine Overhaul Gasket Kit for the Toyota 18RG
High quality gasket materials combined with precision
(Please note, does not come with head gasket. See
racing and OEM type head gaskets further down on this page)
Valve Cover Gasket
Comes valve cover gasket and spark plug grommets $110.92
18RG Heavy Duty
18RG Heavy Duty Alternator
performance power for your ignition and accessories.
with special adapter harness as shown in picture above.
These alternators have internal regulators.
80 amp Price $481.00
NEW!!! 90 amp Price $756.25
18RG Heavy Duty Water Pump
For 18RG Celica chassis number RA25
For 18RGEU Celica, Carina chassis
number RA45, RA83 $180.00
18RG High Performance Engine Bearing Set (These bearings below
will also fits 18R and 16R engines)
High Performance Engine Bearing
Set comes with main bearings, connecting rod and trust
washer bearings (the trust bearing is separate, not part of the
main bearing) $605.85
race spec High Performance F770 Metal Bearings with WPC
Treatment for friction reduction. Highly recommended for
high performance and racing engines.
"WPC" Molybdenum bearings have a low coefficient of
friction, reduce the rotational torque, which also enables
the bearing to last longer and hold up to higher pressures.
Over Sizes Available 0.25, 0.50, 0.75, 1.00 Let us
know what you require.
NEW!!! 18RG original type (not
racing) quality replacement engine bearing set $156.64
comes with main bearings, connecting rod and trust washer
NEW!!! 18RG Piston Kits (Includes
Piston Ring, Pin, Snap Ring)
floating type race piston has a compression ration of 11
to1. The valve recess was designed to handle high
performance cams and bigger valves.
From street class to race use, the piston kit will meet your
needs in any application.
18RG Piston Kit 92mm bore
18RG Piston Kit 92.5mm bore
2200cc Piston specs:
Manufacturing Method FORGED
Type High Comp
Bore 92, 92.5
Pin Diameter x Length 22 X 64mm
Pin Height 39.75mm
Piston Ring Thickness 92 1.5 x 1.5 x 2.8mm
Piston Ring Thickness 92.5 1.5 x 1.5 x
Rod Type 18RG Rods
2TG Titanium Coated SPL
Piston Rings Option
Superior wear by superior materials. Add $152.25 to
price of piston kit.
18RG Cam Gear Sets are made from a heavy duty
metal and put through the highest standards of machining and heat
treatment, all while needing to pass a strict quality controlled
inspection. The slide type has a two degree memory setting
to easily and accurately adjust your valve timing. Replacing
the knock pin is unnecessary for this gear, however please be
careful not to drop the pin into the motor.
Two Types Available:
18RG Fully Adjustable Type Cam pulley Set $483.00
13 Hole Type Set For Timing Adjustment $252.00
Performance Cam Shaft Set
Cams for 18RG $1856
Available durations and
We highly recommends the 292/11.7mm spec.
Makes best overall power for tuned NA engine with good
drivability and wide power band.
18RG Reinforced Tappet Shims
1.5mm-7.0mm, Price $17.20
Available in 0.05mm increments only.
*The thickness of the shim at the time of shipping is within
Custom Cam Grind Service
NEW!!! We also offer our Custom Cam Grind Service.
Send us your good cam cores and we ill grind them to any spec
Ground to your specification or our suggested cam
profile. Service price is $480.00 for a pair.
18RG Upper Top Chain Tensioner
Upper Top Chain Tensioner
Price $62.54 USD
Guide Bottom $17.04
Timing Chain Upper $74.40
Timing Chain Bottom $36.75
Timing Cover Seal $17.90
Timing Cover Gasket Set
Half Circle Seal
18RG Metal Head Gaskets.
They are made of
multi-layered steel. Available in several thickness. 1.00, 1.2,
1.5, 2.0, 2.5 and 3.0 mm
All headgaskets are 92mm bore size
OEM Type Replacement Headgasket (non
Oil Pan Gasket Set
18RG Oil Pan Gasket Set $28.30
18RG Bronze Valve Guide Kit
The demands of valve
guides are resistance to wear and abrasion, tolerance to high
temperature, and seizure.
This is only accomplished by combining two metals and precision
machining of the inside of the guide. In addition these
guides only allow the
minimum valve clearance so that the valves are moving properly
during high RPMs. With this type, it is possible to decrease the
by a small amount because of its efficiency at dissipating
heat and resistance to sticking valves.
Size: Intake 51mm / Exhaust 51mm
Material: Phosphorus Bronze
Valve Spring Retainers, High Performance Set
Recommended for stock and upgraded engines. Price $492.80
Stock Retainer Weight 21.6g
18RG 10,000 RPM Dual Valve Spring Set
Recommended for engines with upgraded high performance camshaft
18RG High Performance Stainless Steel Big Over Sized
(Not for use with
above valve guides unless modified)
Valve stem thickness is 8mm
Not: Must be used with over sized valve guides, spring retainers
inquire by email for your application: email@example.com
Intake size is 48mm
Exhaust is 40.5mm
(8 intake and 8 exhaust)
Generation II Valves $602.12 set. (good up to about 8,000
Sever Duty Valves $784.10 (good up to about 10,000 RPM)
Note: Valves are a custom order and take 4-6 weeks before
New!!! 18RG Valve
High Temperature Performance Valves Seals, OEM size Price $157.50 USD for
a set of 8.
18RG Aluminum Lightweight Flywheel
You will defiantly feel a gain in power with this
- Frees up horsepower available for acceleration
New Lower Price! Price $425.00
- Quicker shifts
- Allows easier heel-toe shifting
- Extends transmission synchro life
- Extends engine main bearing life
- Reduces overall vehicle weight
- SFI approved
- Awesome 6061 Aluminum construction
- CNC machined
- Heat-treated special alloy steel friction surface for
excellent durability and inexpensive replacement
- Brand new starter ring gear
Aluminum flywheels are made
from the highest quality 6061
T6 aluminum. The material is
fantastic for strength, heat
dissipation and of course
reduction in weight. The
friction surface we use is an
incredibly strong 1050 steel.
The plates are milled to meet
our high specifications. This
flywheel can mate with any
type of clutch material,
including organic, Kevlar,
ceramic, metallic and sintered
iron. We attach the friction
surface with military grade
aerospace fasteners. The ring
gears we use are also made
from 1050 steel and are heat
treated for durability. The
gears are heated then pressed
on and secured with grade 8
button screws. We were the
first to utilize a stepped
dowel system in our flywheel.
This doweling method ensures
that once the pressure plate
is installed the dowels cannot
be removed because they become
locked into place. Flywheels are
builds with extreme precision.
We give tuners, racers and
builders the high performance
and unmatched power they’re
Ring Gear. OEM Type
Ring Gear Outer Diameter=11.588" Inner Diameter 10.206" Pitch=10
Width=.350" Teeth=115 Chamfer=FRONT
18RG Intake Manifold Kit
intake manifold was designed with a larger cylinder diameter
and made to be used with OER, Weber, Solex, Mikuni and other
The smooth design of the ports allows increased airflow while
tuning the carbs is easy with the wire type side linkage
Carburetor comes as
The DCOE Side draft carburetors are legends in motor sports
history. With countless out standing auto motive applications
over the years from standard factory issue carburetors found on
cars like Ferrari and other exotics, to full out champion race
cars from many decades in all types of racing.
Lower Price !!! Weber 40 mm DCOE
single side draft carburetor $432.00 each.
Lower Price !!! Weber 45 mm DCOE
single side draft carburetor $432.00 each.
18RG Spark Plug Wires
Performance Wires, 8 mm Thickness
These wires can handle up to 150,000 V
NEW!!! 18RG Distributor Cap and Rotor Kit.
NEW!!! 18RG Distributor
NEVER CHANGE POINTS
18RG Distributor Ignition Points
to Electronic Conversion Kit
and extends the life of your spark plugs. Come with a
magnetic pick up you screw inside the distributor.
This kit eliminates the unreliable points that ware and
constantly change the ignition timing. With this kit you
just set it and forget it!!!!
Its is easier to install than as a set of points but you only
do it once! Entire
ignition system fits beneath distributor cap to
maintain original look.
No alteration to distributor required.
You can use a stock ignition coil with this kit but to get the
most power from this kit we highly recommend to upgrade to the Flame Thorougher
Coil listed below.
18RG High Performance Ignition Coil
The Flame-Thrower II coils
feature a super low resistance. They will work with just
about any high output ignition system.
Low resistance and improved turns ratio help to produce up to 45,000 volts.
This higher voltage enables you
to run larger spark plug gaps for added power and better fuel
- 45,000 volts
- Available chrome
plated or black for that "stock look".
- For use with
inductive or CD ignition systems.
- Super low 0.6 Ohm
- Legal in all 50
states and Canada. (C.A.R.B. E.O. #D-57-10)
- Warranty: 90 Days
Born from racing
71 Degrees Celsius Low Temp Stainless Thermostat
What is the
optimum temperature to get the most power from the
Different parts of
the engine are at various coolant temperatures. For example,
the temp gauge is reading at 80 degrees Celsius but at the
back of the motor, it is between 85 and 90 degrees Celsius,
which means it is detonating. The perfect temperature
for optimum performance is the temperature right before
detonation, measured at the cylinder. However, in order
to achieve this temperature, it is absolutely necessary to
have good cooling efficiency and a low temperature thermostat.
The thermostat opens the valve at 71 degrees Celsius and
allows the coolant to flow earlier to prevent overheating and
bring out the maximum performance from the motor.
This radiator cap has an upgraded 1.2kg/cm (12 lbs.)
pressure valve spring, so that the maximum cooling
potential is achieved from the radiator. For example,
even though the coolant temperature is climbing over
100 degrees Celsius and the internal pressure of the
radiator is high, the coolant will not boil over.
This radiator cap is good protection against overheating
because stock will only hold up to 0.9kg/cm ( 8 lbs ) of
pressure and the coolant will boil over at 125 degree
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