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Discussion Starter #1 (Edited)
I didn't really see anything on here, excuse me if this is a repost. I took some time today and made a "small" list.

Please feel free to add to it, as I couldn't locate a lot from a small search I did. (sticky?)

So far: TOM's Prolex-UK - TOM's big brake kit for Lexus IS350 (front & rear)Prolux-UK Granted I am sure they can ship to the US

WhatsNew

F-Sport (Rebranded Brembo) L-Tuned Parts - ** NEW ** F-Sport IS250/350 Front Brake Kit

K-Sport: http://www.sportcompactonly.com/K-Sp..._c-20_b-43.htm (on ebay eBay)

WP Pro: Winner Power HOME

Brembo:LEXUS
IS250 RWD, IS350 Front 2006 -> 1M1.8031A
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LEXUS
IS250 RWD, IS350 Front 2006 -> 1M2.8031A
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http://www.brembo.com/CatalogoHPGT/T...oMod ifyGuest

Rotora Rotora Front 4 / 6 / 8 Piston Big Brake Kit Lexus IS250 / IS350 <font color="#FF0000">Free Shipping</font>
(front)

Rotora Rotora Rear 4 Piston Big Brake Kit Lexus IS250 / IS350 <font color="#FF0000">Free Shipping</font>
(rear)

Stop Tech StopTech 4 Wheel BBK (Front/Rear) Lexus IS350 <font color="#FF0000">Free Shipping!!!</font>

JUN TWJUN-TW High performance brake linings,BRAKE PADS,BRAKE caliper, brake DISC -- JUN-TW Racing caliper 6 Pot Brake Kit

Project MuForged Sport Caliper Kits (although ISX50 is not on the list this is where another member got the kit w/o issues)

Ings+1&#129;¡ings&#129;¡ LX-SPORT official web =LX-Sport BRAKE SYSTEM
 

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Discussion Starter #4
Thanks guys I will get you some rep

And I figured out where to get the WP brakes so I will update the list


the batmobile: Okay so where to purchase a link perhaps?
 

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I have had the JUN-TW on my IS350 for 8000 miles now. Excellent with no problems and they really bring you to a halt sharply and are fade free. I have used mine on the track in two series so they've had a proper testing
 

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Well, before fade sets in they -can't- stop you any shorter than the factory brakes of course... but they can certainly take significantly longer to begin fading... can you comment on your testing in that regard?
 

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Here's another one to add:

Lexus ISF Front and rear caliper will bolt on.
for the front to work you use 2013+ GS350 Fsport rotors. The 14.1" rotors. This gives it the same ISF diameter but correct hub offset to line up with the caliper.

43512-30371 or 43512-30370 Disc, FR RH (Aluminum Center) 2pc rotor. 13+ GS350 F-Sport
43516-30061 or 43516-30060 Disc, FR LH (Aluminum Center) 2pc rotor. 13+ GS350 F-Sport
2pc rotors above are discontinued, Lexus now has steel center as replacements:
43512-WY010 Disc, FR RH (Steel Center)
43516-WY020 Disc, FR LH (Steel Center)
Aftermarket rotor options below:
*Note: Any aftermarket 2013+ GS350 F-Sport rotors will work. Has to be 14.1” diameter.
120.44187 Centric RWD; F Sport, Front Right 2pc rotor
120.44186 Centric RWD; F Sport, Front Left 2pc rotor
128.44187R Centric StopTech sport drilled; F Sport, Front Right
128.44186L Centric StopTech sport drilled; F Sport, Front Left
126.44187SR Centric StopTech sport slotted; F Sport, Front Right
126.44186SL Centric StopTech sport slotted; F Sport, Front Left

The rear ISF calipers bolt on with ISF rear rotors.

This is the cheapest way to go bbk. ISF brake set should run around 1k or less. slap on some stoptech front rotors for 98 each and you're set.
 

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128.44187R Centric StopTech sport drilled; F Sport, Front Right
128.44186L Centric StopTech sport drilled; F Sport, Front Left
126.44187SR Centric StopTech sport slotted; F Sport, Front Right
126.44186SL Centric StopTech sport slotted; F Sport, Front Left
do you know why stoptech lists their 14.1 replacement rotors as 13.98"? see page 378:
http://www.stoptech.com/docs/default-source/installation-manuals/2017-stoptech-catalog?sfvrsn=2

(355/25.4=13.976)

edit: i guess 358mm vs 355mm is minuscule i suppose.
 
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