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Ballast System Half Weight Plate (7.3lbs)

The plate has four holes, with nuts welded on the back side. The weight plates (14.7 lbs, half plates are available 7.3 lbs) also have four holes in them, they lay flat on the base plate and attach with four 1/2 in grade 8 bolts. Weight plates can easily be changed in and out with little to no hassle.


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Brake Banjo

An Iron Canyon Motorsports exclusive. We needed these for our cars and had a few extra manufactured in the process. Nobody but ICM has a 303 Stainless Steel banjo bolt with a 1/8 NPT fitting for a M10x1 threaded master cylinder. We know. We looked Posted Image. The ICM Brake Pressure Sender Adapter replaces an existing banjo bolt on the master cylinder and allows the use of a 1/8 NPT pressure sensor for measuring braking force. No cutting of critical brakelines or introduction of additional failure points in a critical system. Some are even drilling and tapping the master cylinder to install a sensor. As our class doesn't allow use of a proportioning valve you really only need to monitor a single point to pick up the brake pressure. Clean and easy.


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East Street Racing Heads

This is an inexpensive way to get your car to top power

For Sale - East Street Racing Cylinder Heads
We are selling our racing heads to those who don't want to buy an entire engine or just want to replace a poorly performing or currently illegal cylinder head from one of our competitors. We build the heads to the letter of the rule and push each area to the edge of the spec,but never beyond. Our heads are simply the best that can be bought, period. Look at the results of our cars Sprints Qualifying four of the top 5 cars, Runoffs three of the top four cars had these heads, at the Runoffs Pole, Runoffs win, second and third along with Two NASA championships. We are simply making more power than anyone else!
$2000 exchange on 99 up
$1750 exchange on 90-97

$500 Core Charge

1990-2005 ready to install


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Gold Level Donation ($100.00)

A Donation of $100.00 Support from our members are used to help offset the cost of running the MazdaRacers.com


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Aluminum Seat Belt Collars

1.5" ID dual split collars to help keep seat belts and center net straps in their proper place. Attach these collars to the roll bar to help keep your belts and center net straps from sliding on the roll cage tubing during an impact. Made from Aluminum to keep weight down and dual split to make them easy to install.


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Gusseted rear differential housing

After breaking several of these and finding myself parked on the side of the track and missing the entire race, we decided to start offering these to our customers as well. If you have not experienced this yet, you will at some point. Don't let this ruin your weekend. A hard bump draft or stacking up at the start off a race and getting hit in the rear usually results in a broken diff housing. we have all seen this happen many times. We started gusseting these diff housings with 1/4 aluminum plate cut on the CNC. We don't start with a broken housing as most do and weld. We start with a good virgin housing that has not already failed. The cost of this part is less than what you will lose in entry fees of one race the first time it happens.


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Originally built and designed by Sam Henry of Springfield Dyno. This is the latest revision to the most effective radiator in the Spec Miata marketplace. There's a reason that so many winners and champions use these radiators, they work better than anything else out there. They have been used on 6 of the last 7 national Championship winning cars.

This is a true triple pass radiator which channels the water from side to side multiple times ensuring a substantially longer cooling time in the radiator and pulling even more heat out of the cooling system. Many try to copy, but none have been nearly as effective.

Three main attributes for this radiator are:

Reduced cooling system operating temperature. We have consistently seen 20-30 degrees cooler temperatures running this new radiator vs a 54mm Koyo radiator or a few of the other copies of our radiator.

Reduced intake system air temperatures. During controlled dyno tests, we have seen 15-20 degree drops on intake air temps.

Reduced weight off the nose of the car. Compared to the Koyo, this new radiator weighs approx. 2.5lbs less when fully filled.

The simple facts are that if you keep the coolant temps below 190 degrees, you are going to make more power. Also, if the intake air temp is cooler, you will also make more power.

This is really one of the must haves if you want to make power for a whole National race distance, even tucked up in a tight draft.


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Tow Hook Lightweight - Front 90-05

This is our ultimate front tow hook. There are plenty of tow hooks on the market, but all of them require you to remove the stock Mazda tow hook. We really like the stock Mazda tow hooks that come on the car for tying the car down in the trailer. They are made from some really strong steel that does not seem to bend, and the angle that they are at make it easy for tying the car down.

We designed a lightweight aluminum tow hook that works with the exitsting stock tow hook. This lightweight tow hook, meets the SCCA requirements for tow hooks and uses a kevlar strap that moves out of the way to allow you to still use the stock tow hook to tie the car down. On the racetrack the kevlay strap hangs down in front of the stock front hook and when its time to go home, you just lift the kevlar strap up and then you can access the stock tow hook to tie the car down in the trailer.

This tow hook works on all Miata's from 1990-2005 and is a simple bolt on installation. The aluminum is anadized Red, and the kevlar strap is black.

Even though the Tow Hook is extremely light in weight, it is designed to install on the passenger side of the car to help offset driver weight.


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Power Steering Plugs

Set of two metric allen plugs for de-powering the Miata power steering rack. Cleans up the steering rack area and makes for a clean and easy no-mess conversion. Simply remove the power steering pump and lines, drain all the fluid, and insert the plugs. Done.


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Window Clips

These window clips were designed to bolt into your Miata in existing holes to allow you to use your stock door glass even if you have gutted the window hardware to accommodate nascar style door bars in your car.

Made from .125 aluminum, they are extremely lightweight and bolt into existing holes in the upper portion of the door. These pieces are water cut for precision and consistency and don't look like your 8th grader made them in shop class.

The existing holes in the door are slotted which give you the ability to adjust the clip vertically to get the perfect fit for your door glass. The tops of the clips are rounded, so they also have the ability to adjust their angle forward and back to achieve the very best fit where the glass rests on the aluminum.

Once installed, they are out of sight and allow you to simply set the glass back into the rubber channel from above the door. Once the glass is aligned in the horizontal rubber channel and vertical rubber channel at the front of the window support, the door glass rests on top of the aluminum and acts as though the window was in the fully rolled up position.

This allows for you to keep the inclement weather out of your race car when transporting it or storing it overnight at the racetrack. Once the upper Black plastic door trim/pad is installed, you can not see the clips at all.

Price is for 4 black anodized window clips.