Toyhead Auto Restoration Services

Toyota Specialist

Engine Parts For 4AG, 4AGE, 4AGEC, 4AGELC

Featuring some ultra-high performance racing parts by Kameari


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Engine Gaskets
Engine Electrical
Valve Train/Timing Engine Block/Drive Train
Cooling System

4AG Intake Manifold $394.65 usd

(Corolla AE86 #1033)

4AG Intake Manifold Kit $365.06 usd
(#1042 MR2)

4AG #ARP Intake Manifold $424.29 usd
(#1042-2) Corolla AE92,

4AG Intake Manifold Kit $483.50 usd
(#1046) Corolla AE86

Top Water Neck Outlet Pipe Kit  $121.40 usd

Designed for AE86 (4AGEC), with AE92 (4AGE) small port cylinder head.

Allows for better clearance for carburetor and intake manifold setups
that can interfere with the original OEM type outlet pipe.

Performance Racing Carburetor Options and Accessories.
Click Here.

Weber DCOE 40mm and 45mm

4AG High Performance Racing Valve Set  $291.16

4AG Valves Racing

4AG High Performance Valve Guides $276.75

4AG Valve guides race

Standard Length Phosphor Bronze Material

4AG High Performance Valve Springs $253.00 Set

4AG Valve Springs race

Proven performance up to 10,000 RPM
36mm 25.6kg full load

4AG Adjustable Camshaft Sprockets $216.32 pair

4AG Camshaft Gear Sprocket

Adjustable Cam Gears are made from the highest quality 6061 T6 aluminum. They are CNC machined to more exacting tolerances than original gears. The tooth edges are beveled to increase belt life. With twelve degrees (both advance and retard) of laser etched adjustments, you can be assured of proper and precise tuning. The inner ring of the cam gear is designed for strength, function, and precision. Stainless steel studs are threaded through the backside of the outer gear. The inner gear is then fastened with stainless steel nuts and lockwashers. This enables an increase in the amount of torque used to tighten the fasteners, with no risk of stretching to the aluminum threads. All chain drive gears have a 1050 steel outer sprocket. All belt drive cam gears are made from 6061 T6 aluminum.

4AG High Performance Metal Head Gaskets

Toyota 4AG Metal Head Gasket

Kameari brand head gaskets are made of multi-layered steel.

Bore / Thickness / Price

82.5 - 0.8mm $158.13
82.5 -1.0mm $158.13
82.5 -1.2mm $168.03
82.5 -1.5mm $197.69
82.5 -2.0mm $227.34

83.5 - 0.8mm $197.69
83.5 - 1.0mm $197.69

82 - 0.8mm $177.04
82 - 1.0mm
82 - 1.2mm $187.82

4AG Engine Gasket Kit  $165.98

4AG Engine Gasket Kit

(does not include cylinder head gasket)

4AG Large Bore Manifold Gaskets

Price $37.46
35mm Intake
33mm Exhaust

ARP Super Strength Racing Engine Hardware

4AG Cylinder Head Stud Kit $112.00

4AG Crankshaft Main Bearing Stud Kit $108.00

4AG Connecting Rod Bolt Kit $55.75

4AG Flywheel Bolt Kit $79.00

4AG Cam Cap Stud Kit  $128.50
Saves time when assembling and disassembling.

4AG High Performance Racing Pistons $810.40

4AG- Pistons

Piston diameter 81.5mm
Piston diameter 81.5mm Piston diameter 82mm
Piston diameter 82.5
20 x 46mm
20 x 46mm 20Racing x 46mm
Pin height 30.5mm
Pin height 30.5mm
Pin height 30.5mm
10 X 10 X 20mm
10 X 10 X 20mm
10 X 10 X 20mm
Weight per piston 275gm
Weight per piston 266gm
Weight per piston 271gm
Piston pin weight 70gm
Piston pin weight 70gm Piston pin weight 70gm

4AGE Stroker Kit-83mm Stroke Billet Crank Billet Sportsman Rods Custom Pistons $00.00

4AG Light Weight Racing Connecting Rods

4AG Light weight

Kameari Connecting Rods  $1292.63
Weight 422 gram each, 42mm crank diameter, piston pin 20mm

Corrillo Connecting Rods $1135.00

Crower Connecting Rods $00.00

4AG Performance Crankshaft

4AG TRD Racing Engine Bearings

4AG Racing Engine Bearings

Main Bearings $150.00

40mm / AE86 Connecting Rod Bearing $160.00
42mm / AE92 Connecting Rod Bearing $160.00

Trust Bearings $25.00

4AG Light Weight Aluminum Flywheel

4AG Light Weight Aluminum Flywheel

8.15 lb. $349.40

1987-1988 Toyota Corolla FX
1988-1989 Toyota Corolla GTS
1985-1987 Toyota Corolla Sport GTS

9 lb Flywheel $349.40

1990-1991 Toyota Corolla GTS
1985-1989 Toyota MR2 GT

Will not affect low end torque. For street use.
Has replaceable clutch contact face. When it is worn out you simple replace the insert not the whole flywheel.
Our 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.
BODY - 6061 T6 ALUMINUM Tolerances machined to +/- .001 6061 T6 has an ultimate tensile strength of at least 42,000 psi and a yield strength of at least 35,000 psi.
RING GEAR - 1050 STEEL / HEAT TREATED Heat treated for durability. The gears are heated then pressed on and secured with grade 8 button screws.


Replacement Friction Plate Kit - 1045 STEEL The friction surface we use is an incredibly strong 1045 steel.
The plates are milled to meet our high specifications.
Comes with eight button screws grade 8  Increased security helping fasten the ring gear to the flywheel and all other replacement hardware.
With these replaceable plates there is no need to replace the entire flywheel when the clutch
or flywheel is at the end of it’s life, saving time and money.  Price $59.00 USD

4AG Heavy Duty Engine Mounts  (Corolla AE86) $56.20

4AG Performance Water Pump Pulley $148.24

4AG Performance Water Pump Pulley

Prevents cavitation at high RPMs.  Prevents temperature spikes, improves cooling for high HP engines.

Multiple Spark Discharge Ignition System

Igniter Box, Multiple Spark Discharge Ignition System. $252.95
  SMOG Legal in 50 States.
This unit replaces and eliminates the igniter assembly unit that is located on top of the ignition coil and give a better more powerful spark at any rpm and better gas millage too!  Whether you have a powerful street machine, daily stock driver or trick Street Rod, the multiple sparks of this ignition unit will ensure complete combustion.  Bolt one on and look for quicker ETs, easier starting, reduced plug fouling, quicker revving, more power and increased fuel economy. This unit can be triggered by breaker points, magnetic pickup, or the output of an electronic amplifier.
Please note: To get the full benefit of this unit I highly recommend using the blaster ignition coil listed below to replace your old stock coil.

Igniter Box, Multiple Spark Discharge Ignition System With Rev Limiter.
Same as unit above, but with engine saving maximum RPM rev limiter that could be adjusted to any rpm.
Please note: To get the full benefit of this unit we highly recommend using the blaster ignition coil listed below to replace your old stock coil.

Ignition Coil Upgrade Blaster Coil. $57.37
15,000 more volts than stock.
Blaster coils put out 45,000 volts, which are 15,000 more than stock.
They also have an oil filled metal canister and will fit stock mounting brackets.

4AG High Performance Alternator  $287.52

80 amp alternator

More performance power for your ignition and accessories.
Comes with special adapter harness as shown in picture above.
These alternators have internal regulators.

Heavy Duty Starter 1.2 kw  $287.50

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