Suspension

Fiero Aluminum Corvette Brake Upgrade Adapters

This Pontiac Fiero 12 inch Corvette Brake Upgrade Aluminum Caliper Bracket Set consists of (2) front adapter brackets and (2) rear brackets.

Each is CNC water-jet from a solid piece of 6061 Aluminum. 6061 is a strong Aluminum alloy with traces of Titanium and Chromium, which makes it the common choice for applications such as aircraft and aerospace components, bicycle frames, driveshafts, and brake components. Its weight is roughly half that of steel, and will not rust.

These brackets allow 1985 Corvette front calipers to fit on the 12 inch rotors, and 1988-96 Corvette rear calipers to fit the rear.

The holes for the front brackets are M-12 x 1.5mm. This is the same thread used other places in the brake system.

These brackets are sold as a kit for $100, for all (4) brackets shipped.

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Price: $ 100.00
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Fiero Corvette Brake Upgrade Concentric Rings

When changing over to the Corvette brakes, 12 inch stock Corvette rotors are used in place of the small, non-vented Fiero ones. The rotors have a different I.D. (inner diameter) than that of the Fiero’s. This presents a problem as the rotor I.D. is designed to barely fit over the hub, so that it is perfectly centered, avoiding clearance problems with the caliper.

This fit also makes sure that there is not any side load on the lug studs. Finally, a non-centered rotor would have the same effects as a non-balanced wheel (noise, vibration, and possibly excess tire wear).

To correct this problem, Cheetah offers concentric rings to fit over the hub and match the I.D. of the Corvette rotor.

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Price: $ 40.00
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Mazda Protege Rear Sway Bar Bushing Upgrade

This is an upgrade kit for the Mazda Protege and Mazda 3 rear sway bar bushings with the setup shown to the left.

The upgrade kit can be purchased for either the stock sway bar or various aftermarket bar diameters. The kit includes two Steel brackets (Aluminum brackets are shown in the photographs), two Energy Suspension Polyurethane Bushing Kits, and the four bolts needed for installation.

The kit is installed in the same manner as the stock bushings. Installation takes about 30 minutes with a floor jack and a socket set.

The stock mount design is flawed and quickly wears the undersized bushings. The stock bushings have been known to wear to the point of making noise within a year of installation. The Cheetah kit should last the life of the vehicle. In the unlikely event that a bushing from this kit does wear out, both bushing can be replaced for only about $10 total.

The photos show a stock mount cut in half to display how thin the bushing is around the rear bar. The wall thickness is only 1/8″ and very quickly wallows out the outer edges. The Polyurethane bushings included in this kit are not only a much stiffer material than stock, but will hold up much longer than the stock rubber bushings which degrade rather quickly from temperature changes. The longer and thicker 5/16″ wall around the bar in the Cheetah kit is more than double that of the stock mounts. This greatly stiffens the rear suspension in the same fashion that a larger bar would accomplish.

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Price: $ 110.00
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Porsche Adjustable Sway Bar Drop Links

This set of Cheetah adjustable Sway Bar Drop (End) Links are for Porsche 996, 997, Boxster, & Caymans. The factory links are very weak and often bend at the shaft, causing steering and handling problems. These links are much stronger, made from 3/4 inch steel and heavy duty ball joint rod ends. They do not need lubricated.

The benefit of adjustability is when coil-overs are used and the vehicle is corner balanced for weight. With equal length Drop Links on a coil-over vehicle, the sway bar can add preload to one side or the other. This additional adjustment in the Drop Links can be used to ensure that the sway bar is neutral (not preloaded) at rest.

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Price: $ 250.00
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Porsche Rear Suspension Subframe Brace

The Cheetah rear suspension subframe brace is made for the Porsche Boxster 986. This brace is the same for either the standard or the S model Boxster.

This polished 6061 Aluminum rear suspension brace is twenty-four inches long, and has a one inch diameter. It solidly mounts the two independent subframe mounts (shown in the photos). This prohibits camber change of the rear tires during cornering by not allowing the two suspension points to either move closer or farther apart.

With the supplied 10.9 Grade / plated metric bolts, this bar is a complete bolt-on that can be installed in around (30) minutes with a floor jack, hammer, and a socket set.

This brace mounts flush with the top face of the frame bracing that mounts to the transmission cover plate. The two existing studs (shown circles in green) need to be tapped up with a hammer. These will come out easily, making room for the supplied bolts to be put in from the top. The brace has notches milled into it to allow the new bolt head to be recessed into the bar; to prevent the bolt from spinning while the stock nut is tightened from below.

Once installed, the brace is partially hidden by the transmission plate, and only the polished diameter is visible towards the center of the vehicle near the stock anti-sway bar. This brace does not interfere with aftermarket anti-sway bars or any other suspension modifications.

There have been different variations of this brace made, and it has been commonly called an “Ernie Bar”; named for the person who did the initial track testing. The installation directions for the variations of the different bars are similar.

The Cheetah brace offers the largest bar possible, with a polished finish, at a low price, and without any adjustment needed.

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Price: $ 100.00
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