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​​Datsun 410/411 Disc Brake Upgrade Kit

​

This kit requires 14" or larger rims. It will not fit the stock 13" rims.

Here's a link to the build thread on Ratsun.  A bit hard to weed through all the info and posts. 

https://ratsun.net/topic/10125-410411-disc-brake-mod/page/5/
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***** ATTENTION *****  

We can now machine the rotors with new lug holes (at the same time we machine the center hole) that eliminate the need for the stud sleeves.  New rotors machined and shipped(US only) are $120/set.  Due to the cost of shipping and weight limitations, stud sleeves will still be used on
overseas orders.

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**************************************************************************************
These pics show the bracket with a glass bead finish which is $10 extra.  The video at the bottom of the page shows the typical finish.


​
*****The brake hoses to be used are '87 Nissan D21 Hardbody lines.​
Picture



​Master cylinder upgrade

It is highly recommended that you upgrade the brake master cylinder from the single reservoir/circuit unit to a dual reservoir/circuit unit.  The two most popular options are the '78 620 m/c and the '78 280z m/c.  Both are disc/drum biased.  The 620 unit is typically a 13/16" bore with the bleeder valves on the inboard side.  The 280z unit is typically 7/8" bore with the bleeder valves on the outboard side.  The brake and clutch master cylinders on the 411 should be far enough apart that the valves have clearance.

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The '78 620 m/c as found on Rockauto.com
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Picture



​The '78 280z m/c as found on Rockauto.com
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Picture


More info about the m/c upgrade can be found in the build thread listed at the top of the page.  This link will take you to the m/c info on page 6.

​https://ratsun.net/topic/10125-410411-disc-brake-mod/?do=findComment&comment=182688

This link will take you to Steve's 411 wagon.  Toward the end, there's info about how we figured out the SSS version of this kit.  
​https://ratsun.net/topic/69708-my-1967-rl411-station-wagon-canby-or-bust/


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Rotors - machined


The center holes can be opened up to 3" and new lug holes will be drilled/bored to better fit the stock studs.  The clip shows how they're machined.