Part number for ARP Extended studs - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

jflogerzi · 03-06-2023, 05:03 PM

I am still on the OEM Studs but the next time I go to swap my rotors which will be soon I want to put some ARP's. What's the longest that can be put on with having to remove hub to get them on

kraftyone · 03-06-2023, 06:08 PM

I did ARP 100-7729 they are 2.5" under head length. Didn't have to remove the rear hubs but I did have to loosen the 4 mounting bolts up some to wiggle the bolts in.

Sent from my SM-G986U using Tapatalk

eyeballs · 04-21-2023, 12:00 AM

In case ARP is out of stock (which was the case when I needed studs), 1320 performance has studs with the same specs as ARP.

RToyo86 · 04-21-2023, 06:46 AM

I installed 2.5" all around without having to remove or loosen the rear hubs. I did need to cut the nipples at the end off with my Dremel to angle them in. Used this pocket then rotated the hub and was able to work them in one by one.

Once installed you can clean up sharp edges and make them look pretty.

03-06-2023, 06:08 PM	#2
kraftyone Member Join Date: May 2022 Drives: 2020 Subaru BRZ Limited PP Location: MD Posts: 63 Thanks: 14 Thanked 11 Times in 10 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	I did ARP 100-7729 they are 2.5" under head length. Didn't have to remove the rear hubs but I did have to loosen the 4 mounting bolts up some to wiggle the bolts in. Sent from my SM-G986U using Tapatalk Last edited by kraftyone; 03-06-2023 at 07:39 PM.

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04-21-2023, 12:00 AM	#3
eyeballs Senior Member Join Date: Dec 2021 Drives: '22 BRZ Location: West CO Posts: 150 Thanks: 22 Thanked 59 Times in 46 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	In case ARP is out of stock (which was the case when I needed studs), 1320 performance has studs with the same specs as ARP.

04-21-2023, 06:46 AM	#4
RToyo86 Senior Member Join Date: Mar 2018 Drives: 17 Asphalt 86 Location: Ottawa Posts: 2,168 Thanks: 1,709 Thanked 2,211 Times in 1,129 Posts Mentioned: 13 Post(s) Tagged: 0 Thread(s)	I installed 2.5" all around without having to remove or loosen the rear hubs. I did need to cut the nipples at the end off with my Dremel to angle them in. Used this pocket then rotated the hub and was able to work them in one by one. Once installed you can clean up sharp edges and make them look pretty.

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