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Testimonials

I was looking to complete the last stage of Evo mods I had planned for this year, so after comparing prices from other sites, I landed on Lancer Shop because they seemed pretty consistently fair and knowledgeable.

After getting everything I needed, I went to go checkout and my credit card bombed - three times. It was disappointing for sure, and figured I'd have to wait a pretty long while before I could resubmit my order, and hopefully hadn't accidentally charged my card three times.

Thankfully, Janelle contacted me via e-mail, and was extremely patient and helpful getting my payment mess resolved. We switched up cards, tried again, and it went through perfectly. She deserves some serious kudos. I've dealt with service people before who either couldn't be bothered or caved under the pressure of a crazy customer screw-up, but she handled it quite well.

I will definitely be returning in the future for more accessories and parts!

Camdon

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Girodisc Rear Titanium Shields & Shims- Evo 8/9/X

Product Description

The problem of brake fluid boiling is simply traced to heat transferring from the rotors and pads directly into the fluid through the caliper pistons. When brake fluid boils, it releases air that is normally part of the molecular structure of the fluid. This air is compressible of course, and the brake pedal goes to the floor instead of moving the caliper pistons. Production cars tend to suffer from this on track days more as they don't usually have the extensive cooling duct and exotic brake materials as true racing cars.True racing only brake calipers generally come with titanium caliper pistons for one reason. Titanium as a material, has low thermal conductivity. This means that it is very bad at transferring heat. Which is good if you are trying to keep your fluid cool.

The Girodisc solution to help prevent fluid boiling is to use a thin titanium shim placed between the pad back and the pistons, to keep the braking heat from transferring into the pistons and fluid.Here is a comparison of materials and their relative thermal conductivity ratings
Titanium 6AL-4V 6.7 W/mkSteel 52 W/mkAluminum 130 W/mk

You can see that Titanium will transfer far less heat than steel and especially aluminum. For cars that are going to see hard or multiple track days, these shims are cheap protection from loosing the pedal due to boiling at the wrong time and making the day very expensive.

Water jet cut to exact size, no cutting, grinding, or swearing involved.

Price is per axle (four pieces)

Part Number: TS-0961
Fits: Evo 8/9/X

Details

Price: $126.95

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