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hks 50mm wastegate

Old 10-05-16, 11:17 PM
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hks 50mm wastegate

wondering where people are finding springs for this style of 50mm hks wastegate. thanks in advance!
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Old 10-10-16, 07:05 PM
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ssautochrome sells knockoffs of the 40 and 50mm hks gates
springs listed Springs Performance Racing Products for International Sales from SSAutochrome Inc.

not sure what the quality of these would compare to the geniune hks stuff...probably typical china crap. i.e.garbage spring material and substandard heat treatment processing.

Last edited by Nosferatu; 10-10-16 at 07:10 PM.
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Old 10-17-16, 03:55 PM
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If I recall correctly, HKS have springs on their USA site under products. Not 100% sure they have it for the older Waste gate design though.
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Old 11-03-18, 08:01 AM
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VA

Resurrecting an old thread to add useful information.

All information pulled is from the HKS website related to product support
This page is for the HKS "standard" or "special" wastegate: https://www.hks-power.co.jp/en/produ...ate/index.html
After a ton of cross referencing I'm pretty sure that the "standard" wastegate is the 40mm while the "special" wastegate is the 50mm.
Clicking the catalog links show replacement parts and part numbers. A quick search in google shows genuine springs (yellow and purple) being sold on Amazon for roughly $60.

Yellow (1405-RA035): 0.8 - 1.1 kgf/cm2 (11.4 - 15.6 PSI)
Purple: (1405-RA036): 1.1 - 1.4 kgf/cm2 (15.6 - 19.9 PSI)

I'll attach a few images from the spare parts catalog pages here just in case that link ever goes dead.






Last edited by jjandros; 11-03-18 at 08:16 AM.
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