# Noob question: Easiest way to tell which type of Z32/R32 calipers ? **URL:** \ **Category:** SON240sx Automotive\ **Created:** [July 4, 2011, 4:16pm UTC](https://forums.speedlife.net/t/noob-question-easiest-way-to-tell-which-type-of-z32-r32-calipers/214171 "2011-07-04T16:16:24Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![Cadence](https://avatars.discourse-cdn.com/v4/letter/c/9e8a1a/32.png) [@Cadence](https://forums.speedlife.net/u/Cadence)\ **Post date:** [July 4, 2011, 4:16pm UTC](https://forums.speedlife.net/t/noob-question-easiest-way-to-tell-which-type-of-z32-r32-calipers/214171/1 "2011-07-04T16:16:24Z")
I’m not sure if I have the 26mm or 30mm ones and I’m looking to buy pads/rotors sometime soon what’s the easiest quickest way to check? (I googled, and got nothing, I googled it like 4 different phrasings) All I can see is they’re black with “Nissan” in white. ---
**Author:** ![derass](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/derass/32/5691_2.png) [@derass](https://forums.speedlife.net/u/derass)\ **Post date:** [July 4, 2011, 6:05pm UTC](https://forums.speedlife.net/t/noob-question-easiest-way-to-tell-which-type-of-z32-r32-calipers/214171/2 "2011-07-04T18:05:01Z")
Here is the info you need: > **[The Definitive 300ZX Brake Swap](http://importnut.net/300zxbrakeswap.htm)** > > Why do this swap? What are the benefits? The primary purpose is to improve the overall braking performance. This is accomplished by installing larger rotors and calipers. The Nissan Z32 300ZX provi… ---
**Author:** ![Cadence](https://avatars.discourse-cdn.com/v4/letter/c/9e8a1a/32.png) [@Cadence](https://forums.speedlife.net/u/Cadence)\ **Post date:** [July 6, 2011, 5:21pm UTC](https://forums.speedlife.net/t/noob-question-easiest-way-to-tell-which-type-of-z32-r32-calipers/214171/3 "2011-07-06T17:21:10Z")
thanks