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Old 13 July 2022, 06:58 AM
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john_d
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Default caliper rebuild kits

im looking to get a rebuild kit for my stock brakes on my 03 wrx

from what i can see there are 2 version, is there anyway to find out what 1's will fit?
Old 13 July 2022, 11:30 AM
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TECHNOPUG
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Front or rear? I rebuilt the rears on my '02 WRX. Straightforward to do and looked good after painting. It's worth paying for stainless steel pistons.

What 2 versions have you seen?
Old 13 July 2022, 01:07 PM
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RockyRoad
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Originally Posted by TECHNOPUG
Front or rear? I rebuilt the rears on my '02 WRX. Straightforward to do and looked good after painting. It's worth paying for stainless steel pistons.

What 2 versions have you seen?
Rear WRX 2 pots, at least the ones I rebuilt, have alloy pistons so no need for stainless unless they’re damaged.
Old 13 July 2022, 05:10 PM
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john_d
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both front and rear

ive seen some with 40mm and 43mm pistons
Old 13 July 2022, 05:22 PM
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RockyRoad
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Got links? I'm pretty sure all the 4 pot WRX/Sumitomo calipers use the same pistons and seals.
Old 13 July 2022, 05:39 PM
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john_d
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so, i defo seen 43mm this morning but i'll be buggered if i can find them now, all i see is 40.4mm
Old 13 July 2022, 05:45 PM
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RockyRoad
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There's a good chance 43mm is for a sliding 2 pot caliper.
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