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Sumitomo MK 63 Calipers, brake pads and caliper rebuild kits now avail.

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So where do you find the vented type MK63 calipers, I've not seen them for sale before. Are they like hens teeth?

Also, any idea how much they weigh?

 

Mick

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you can now get aftermarket vented MK63 calipers from Japan, don't know that much about them though...

 

https://www.rhdjapan.com/parts-assist-m-speed-mk63-4pot-caliper-brake-kit-hakosuka-gc10.html

 

and i think the discs to suit

 

https://www.rhdjapan.com/kameari-super-bench-brake-rotor-set-s30.html

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post-101122-0-72525700-1493816149_thumb.jpg

Edited by CraigZ

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The calipers seem quite reasonable but I reckon I'd go for the 505 / Saab rotor with a bit of machining.

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Good prices on both really, a used pair of MK63's will cost you about that before you rebuild with new seals etc..

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They look very similar to the S12+8 calipers don't they! I think the 3rd pic on that listing is a S12+8 caliper and not the MK63.

 

I'd say Kameari will sell the disc cheaper if you went direct through them, it's a very simple process.

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Someone place an order,,,,, see wghat response you get back.

For around five years, Kameari have not been able to supply, same deal on their really good lightened rocker arms.

No idea if it is a "test the waters, see how much interest we get" thing, or what.

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The stuff on RHS japan is usually pretty good to go... they take 3 and 1/2 weeks to get your order ready and then DHL get it to you in about 2 days!

 

I have bought a "Kameari" triple manifold last year which is Harada  Shokai brand and i rate as a top quality product

 

My interpretation of Kameari branded stuff it is like the Repco of Japan. They don't make anything themselves they just put their sticker over the top of everyone elses stuff and well marketed.

 

But their products are made in Japan and great quality , Repco's stuff....... hit and miss sadly these days 
 

Edited by CraigZ

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I tried weighing some calipers on my 5kg kitchen scale.

OEM 2 pots with no pads 4.15kg

S12+8 vented 4 pots with 50% pads showed 5.2kg's before reading error. I'll try getting some bigger scales.

 

Wish I had some mk63's to weigh.

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My interpretation of Kameari branded stuff it is like the Repco of Japan. They don't make anything themselves they just put their sticker over the top of everyone elses stuff and well marketed.

 

 

No offence, but it seems you know next to nothing about Kameari Engine Works and the products they sell.

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no worries , from what i have seen , which isnt much I'll admit, it was just someone else product sold under their name... 

 

wasn't trying to upset anyone , please disregard my above comment

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It's pretty easy to upset some people  ;)  don't  Kameari sell Arizona Z aluminium sumps under their own name?

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It's pretty easy to upset some people  ;)  don't  Kameari sell Arizona Z aluminium sumps under their own name?

 

I'm always upset when I see people making mistakes that could have been avoided with a little more effort. Quite a lot of your posts on classiczcars and HybridZ come to mind...

 

To defend Kameari Engine Works - a small company that I've been visiting, buying parts from and recommending to others for what must be close to 20 years now - they don't try to pull the wool over anyone's eyes. Yes, they sell parts made by other companies but there's no smoke and mirrors involved. All you have to do is ask. If you're buying NGK spark plugs, genuine Mikuni spares or KYB shock absorbers from K.E.W. hopefully you won't need to ask...

 

Their own-brand parts (and especially their engine mechanical componentry) are usually parts which they themselves have commissioned and developed. There's a lot of work and heavy capital investment involved in much of that, and there are very few companies dealing with the cars we are interested in here who invest as much as K.E.W. do. Over recent years they have been putting a lot of effort into filling the gaps that the likes of Nissan and Toyota have created by discontinuing manufacture and supply. I'm personally grateful that they stepped up to the plate with regard to certain S20 engine parts in particular.

 

The comment about the Arizona Z Car alloy sumps always makes me smile (it usually comes up when people want to diss K.E.W.) but does anyone ever stop to think why the AZC version has their name on it but the K.E.W. retailed version doesn't? I think the answer is that they are cast in the same foundry, but AZC doesn't have exclusive rights to them and the actual manufacturer is free to sell to anyone who will stump up the capital investment for another batch to be cast and machined. Too simple for some people to grasp? I the case of the Harada Shokai inlet manifolds, I don't know how anyone with half a clue could imagine that Kameari was the manufacturer: When you buy a Harada manifold from Kameari it comes in the Harada box FFS! The problem here is that various people (especially since the rise of social media) refer to the Harada manifolds as 'Kameari' manifolds because they don't know any better, and it becomes the lingua franca. Harada themselves are a small, family run specialist manufacturing company who prefer to stick to doing what they do best and allowing the likes of K.E.W., V50, Rubber Soul and several others to retail their products.    

 

Lastly I'll just say that in my experience K.E.W. owner Mr Shigeo Mori is a straight-shooter who is as good as his word. There are very few companies who cater for 'our' cars in the right way, and they really ought to be understood and valued by the community they serve. Mori san is a rare exception among Japanese specialists in that he has made great effort to reach out to international customers by dealing with them in English. When I first started buying parts from him it was always conducted in Japanese, but with more and more enquiries from outside Japan he tried to meet them half way by studying English and investing in (at that time expensive!) translation software. Of all the people I have referred to him, I can't think of a single one who has felt let down.            

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and for what it's worth those mk63 copies in RHD are cast iron, so probably no performance benefit over hilux calipers you can get for $180

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Holy Shit Alan, you sure can talk.

Mind you I'd love to sit down and listen some time over a beer.

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and for what it's worth those mk63 copies in RHD are cast iron, so probably no performance benefit over hilux calipers you can get for $180

 

The original Sumitomo MK63-20S were also cast iron, so the replicas/copies follow that.

 

I'm aware of an instance where a car was DQ'd for running the Toyota Hi-Lux calipers in an FIA-compliant event. The MK63 replicas on the other hand would probably be close enough to the homologation to be legal.

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Holy Shit Alan, you sure can talk.

Mind you I'd love to sit down and listen some time over a beer.

 

I can listen too though.

 

Beer would be good...

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Wish I had some mk63's to weigh.

 

If you get me a cold beer, I'll stick an NOS one on the scales and report back...

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Ooh, you old tease.

Pm me your adresss and I'lll see what I can do. It may be a Fosters Export :)

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Ooh, you old tease.

Pm me your adresss and I'lll see what I can do. It may be a Fosters Export :)

 

QBuW0D.jpg

 

That's a vented type MK63-20S, with all hardware (pins, retaining clips and link cable) but no pads.

 

Fosters!? Thanks but no thanks...

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This topic took an interesting turn :) As far as the Arizona Z/Kameari sump goes, I'd assume that they were made in the US and supplied to Kameari  through AZ. This assumption is based on the usual  arrangement whereby the original purchaser would submit his design and pay the caster for the mould etc which thereby would become his property. There can be lots more to it, eg the design can be copied, but I see no point in getting into a guessing game without more facts.

Edited by 260DET

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I'd weigh one, with pads, but they are bolted onto the 240RS back axle, in the car, in the shed.

If one wanted lightweight calipers, cant get any lighter than the AP enclosed type four piston units, which are also period correct, in racecar useage, also bolted to the front struts, of same said car.

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