Toyhead Auto Restoration Services

Toyota Specialist

Specializing in Parts, Products and Accessories for Toyotas.

Starlet KP60 and KP61

  4K & 5K High Performance Engine Parts

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  Featuring Severe Duty Racing Engine Parts By Kameari

Accessories & Hardware
Engine Gaskets / Parts Valve Train/Timing Cooling System
Clutch / Flywheel

Starlet KP6# Shifter Cable Bushing Kit  $30.00

KP61 Starlet Shifter Bushings

Shock Factor Shifter Bushings. Developed to perform under the most extreme conditions, These Shifter Bushings bridge the gap between ordinary aluminum, brass, and cheap plastics used in current aftermarket shifter bushings by offering a unique Delrin specifically chosen by our engineers to ensure product performance and reliability while drastically reducing shifter end play allowing for crisper, more precise shifts. All this makes it easy for us to stand behind our shifter bushings with a lifetime warranty.

Intake Manifold Kit

(#1018)  3K*, 4K, 4K-C, 4K-E, 4K-U,  5K, & 5K-J Engines

4K intake manifold kit

*For 3K engine, depending on the type, it may or may not fit.

It will fit,  if it is same 3K engine type which uses the same shape as the image above intake manifold gasket.

Price $357.50

4K Chrome Mechanical Fuel Pump Block Off Plate

Price $45.16

Weber DCOE Side Draft Carburetors

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.

Weber DCOE 40mm and 45mm

New Lower Price !!! Weber 40 mm DCOE single side draft carburetor $443.50 each.
New Lower Price !!! Weber 45 mm DCOE single side draft carburetor $443.50 each.

Click Here For Other Carburetor Options And Accessories.

4K High Performance Air Filter / Breather Assembly $120.15 usd

Fits OEM carburetor 1979-1982 Tercel / Starlet

4K Camshaft

4K performance cam

These special cam profiles increases the mid range power that's missing in most cams, while keeping up with the peak power of higher duration camshaft designs.
As with all our products, this too is made with the highest of precision, while also taking into account other factors such as idle stability, valve-train noise, and fuel consumption, to create the ultimate in camshaft technology. Other camshaft specs (duration/lift) are available for order.

4K Camshaft Available Profiles

68 Degree - 6.8mm Lift
70 Degree - 6.8mm Lift
72 Degree - 6.8mm Lift
74 Degree - 6.5 / 7.2 / 7.4mm Lift
76 Degree - 7.7mm Lift
78 Degree - 7.3 / 7.8mm Lift
80 Degree - 7.3 / 7.4mm Lift
82 Degree - 7.3mm Lift

Price $493.27

Please note: A cam core (your old camshaft) is required for production.
If you do not have one, we may be able to locate one for you at an additional cost.
Please inquire.

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4K Standard Size Quality Replacement Valves

Intake and Exhaust Valve, Full Set of 8 $134.78

4K Valve Guides

Full set of 8 $59.26

Valve Retainer / Keeper

Full Set of 16 pieces $52.98

4K Dual Valve Springs

18RG Racing Springs

High Performance 4K Valve Spring Set. Recommended for stock engines, and engines upgraded with high performance camshafts.

Price $159.35

OEM Replacement Valve Springs

Set of 8 $92.38

4K Light Weight Titanium Valve Retainers

 18RG Titanium Spring Retainers

Light weight Titanium Retainer Set. 6.8 grams compared to 18.5 grams for the stock retainers.

Our top priority was to develop an ultra light weight retainer that is indispensable for high rpm turn.
The surface is magnesium coated to suppress abrasion.
Supports a double spring.
These are suitable for a race vehicle competing for time
These are superior to even chrome molybdenum in wear resistance.

Price $259.02

4K Valve Spring Seat
For dual springs.

Valve Spring Seat $
79.76 Set.

4K Valve Spring Flat Washers

Valve Spring Flat Washer Set
, Available thickness 0.5 and 1mm thickness  Price $6.36 each.

4K Heavy Duty High Performance Timing Chain

4K heavy duty high performance timingchain

This reinforced timing chain has been permeated uniformly with a light coat of manganese phosphoric acid. This process makes the chain 4 times as resistant to wear! The chain also keeps the motor at peak performance by itís resistant to stretching from prolong use, which can lead to mistimed valves. This chain has stops heat seizing between the links by remaining flexible and reducing friction, to have a smooth flowing movement.

3K and 4K Single Roller Chain, Price

4K Severe Duty Double Row Chain, Price $114.48

4K Heavy Duty Water Pump


4K High Performance Thermostat

Born from racing technology!
71 Degrees Celsius Low Temp Stainless Thermostat

What is the optimum temperature to get the most power from the engine? 

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.

Price $63.14

4K High performance Multi-Layer Steel (MLS) Head Gaskets

4K High performance metal headgasket

Thickness    Bore           Price

0.8mm         80.5mm     $179.12
1.0mm         80.5mm     $179.12
1.2mm         80.5mm     $189.09
1.5mm         80.5mm     $199.05
2.0mm         80.5mm     $228.90
2.5mm         80.5mm     $258.79
3.0mm         80.5mm     $278.73

These head gaskets are designed with a slightly oval bore design for added valve clearance which is always a concern with the 4K and 5K engines.

4K Engine Gasket Kit 

Toyota 4K Engine overhaul Gasket kit

Price $119.56 

Include an OEM type replacement head gasket and all gaskets in the above picture.

4K Engine Gaskets and Seals Sold Separate

Valve Stem Seals $22.46
Crankshaft Front Seal $12.50
Crankshaft Rear Main Seal $14.45

Pipe Flange Gasket / O-Ring Seal $9.04
EGR Valve Gasket $11.99
Oxygen (O2) Sensor Gasket $9.05

4K Forged High Compression Piston Kit

4K High Compresion Piston Kit

Bore 79mm
Pin Diameter x Length  18 X 50 mm light-weight type
Pin Height 36.0 mm
Piston Ring Thickness 1.0 x 1.0 x 2.0 mm
Valve Relief Depth  IN 3.0 mm 3.0 mm EX

Price $875.73

4K F770 WPC High Performance Bearings

Ultra 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.

What is WPC?
WPC is a proven process that has been utilized for many years in the racing and automotive industry.
WPC is not a coating, it is a treatment that enhances the surface to reduce friction and strengthen engine parts.
WPC achieves this process by firing ultra fine particles towards the surface of a product at very high speeds.
The resulting thermal discharge permanently changes the surface, strengthening structure and creating a harder more durable final product.
The WPC process is unrivaled in treating engine parts and other surfaces that have contact points of friction. WPC is superior because it is not a coating; it is a permanent surface treatment that reduces friction while strengthening the part. It's unique micro-dimple formation pattern greatly reduces friction and is unmatched by any current conventional methods of surface treatment.

Engine Bearing
STD Size

Under size 0.25 ~ 1.0

4K Main
4K Con-Rod
4K Thrust
(Non-WPC, but can be special ordered at an additional cost)

4K Engine Oil Pump $119.96

4K OIL Filter  Price $15.00

Toyota 2TG, 4K, 18RG Oil filter

Oil Filter Adapter For Oil Cooler

4 port adapter $130.45

2 port (sensor) adapter $92.60

Oil Filter Remote Mounting Kit $

4K Clutch / Flywheel

NEW!!! 4K Racing Reinforced Clutch & Lightweight Flywheel Set

Toyota 4K Racing Clutch Flywheel Kit

We designed and produced a light weight flywheel (3.2 kg.) that can use the heavy duty clutch cover for a Nissan Sunny A type (Japanese domestic). Instead of the original design 4K clutch cover. The lightweight metallic disc has excellent heat and abrasion resistance. The clutch movement travel is very small, making quicker shifts possible.

Set Price $911.35

Chrome Molly Lightweight Flywheel (3.2 kg.)  $438.60
A Type Reinforced NISMO Clutch Cover (450k clamping force) $219.29
Metallic Clutch Disc  $318.94

4K Light Weight Flywheel

4K light weight flywheel

The best way to get the most response from your 4K motor is through a lightweight flywheel.
The flywheel is made from the ultra durable and high strength SCM material in a slim lightweight design.

Street,  Weight (3.9kg) Price $398.35

Race,  Weight (3.2kg) Price $438.19

4K OEM Type Quality Replacement Clutch Kit.

Toyota 4K cluch kit

4K Quality Replacement Clutch Kit. Price $125.00

4K High Strength Flywheel Bolts

Price $74.78

4K, 3K,  High Performance Spark Plug Wires

Quality High Performance Wires, 8 mm Thickness

These wires can handle up to 150,000 V

Price $135.60

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.

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