13 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHWheel spacer
Leading reported evidence
Install excellent 10mm spacers sourced
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
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0
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1
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Read evidence and context
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Performed · outcome unconfirmed
I’ve installed the excellent 10mm spacers sourced from ECS Tuning.
Leading evidence: 'Install excellent 10mm spacers sourced' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check any longer lug bolts' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Performed · outcome unconfirmed
I almost temporarily used +5mm bolts on standard 996 wheels decided it wasn't worth the risk.
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Suggestion
Again, it wasn't a 996, but I'd urge you to double check any longer lug bolts for interference with stuff behind the hub.
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Suggestion
I use 23mm ECS spacers on rear, but also bought bolts with it, If this one above doesn't work for you, You can get the extra length ones at ECS.
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Suggestion
You will certainly have problems using a bolt that long.
Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.
13 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.
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Generation: 20261026T113718Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
IIRC, on the C4S (at least mine) is came with Techno rimns with 55 backspacing. The original owner did not order the factory spacer option. I want to say it is option code EKN with 5mm spacers for the front and 17mm spacers on the rear, I could be wrong and am syre somebody will correct me of so.
Seeing that these are the spacers I have (and they look good), where can I find a bolt? I have one that is missing and I can't seem to find a proper replacement.
Measure what you have. Look on eBay. You want a 14x1.5 thread, 19mm head, ball seat w/washer. Shank length is what you want to know (the threaded portion plus mm or so before the seat).
Looks like 45 or 47mm with the above. Slightly longer won't hurt anything.
Within reason...
Cautionary tale, not from a 996, but something I pay attention to on every car now: I was experimenting with wheel spacers and longer lug bolts on another car (Audi S4) and I had an interference issue behind the hub that was causing binding and preventing free rotation. Again, it wasn't a 996, but I'd urge you to double check any longer lug bolts for interference with stuff behind the hub.
I use 23mm ECS spacers on rear, but also bought bolts with it, If this one above doesn't work for you, You can get the extra length ones at ECS.
Cost is around 5.00
Whoa dude... The bolt you showed us is NOT a 63mm bolt. From the pic it looked like a 45 or 47mm.
You will certainly have problems using a bolt that long.
Porsche measures from the bottom of the threads to the bottom of the bolt head. So while the 'showing' threaded part of the bolt is 45, the bolt length seems to be about 63.
Ok, but how do you know the bolts your getting are measured with or without the spacer. I have bought quite a few Porsche specific bolts and they were always measured on the below the spacer length.
The bolts I am getting are HR. The image of where to measure is from the HR website:
http://www.hrsprings.com/applications/bolts
The corresponding 63 mm bolt matches the Porsche Ball Seat in the diagram.
And if you look at the picture of my existing bolt, I would say the entire shaft length is probably 63 mm (45 showing).
Worst case, I send it back for another size.
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