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I’m just hoping to score someone’s oem suspension for my standard Corolla after they switch to some aftermarket stuff.
will happily work something out with you if you're still looking in late spring (that's when I plan to have my GR Performance Suspension in).

Full disclosure I also have zero idea if it fits..
 
Looks like different bolt spacing between the two cars. Oh well, might still be worth a little fab work someday if I’m bored.
We have a Rav4 now that uses the larger hubs and spindles common to the GRC so I can measure everything.
 
Looks like different bolt spacing between the two cars. Oh well, might still be worth a little fab work someday if I’m bored.
We have a Rav4 now that uses the larger hubs and spindles common to the GRC so I can measure everything.
E210 owners swap CHR spindles. And I know some of the suspension arms are the same for the Corolla and the gr but not everything
 
Not much other choice lol; it's that or I leave it at stock height (ew). Not against coilovers, but I prefer mild springs for a DD.
I have an opposite question.

I have a 2025 GRC and am considering installing the Eibach lift kit (E210 TOYOTA COROLLA GR PLK) and wondering how it will work with the revision in the rear suspension. I have reached out to Eibach and was told it "should" work, but they do not sound convincing...
 
I have an opposite question.

I have a 2025 GRC and am considering installing the Eibach lift kit (E210 TOYOTA COROLLA GR PLK) and wondering how it will work with the revision in the rear suspension. I have reached out to Eibach and was told it "should" work, but they do not sound convincing...
It should in theory; I've had the Pro-Kits on my car for months now with seemingly no issue.
 
I ordered a few of the parts and they were on backorder so it took a month to receive everything. Finally got around to installing the following

2025 Steering Column Bolt (x1): 90119-10A34
This was easy to install, just need to remove the lower panel where the ODB2 port is, loosen the air duct, and remove the brake light switch. The original bolt head was a 14mm, the new one is 17mm. I couldn't fit my torque wrench in there so I just tightened it by hand but made sure it was solid and tight. Old bolt is left and new bolt is right




2025 Clutch Spring 31394-12090

Bushing PN# 90389-06055

This was a pain in the ass to remove and install. I'm weak and couldn't compress it by hand, I even tried throwing my purse at it and boy that didn't work either, not sure why everyone recommends that... To remove the old one I just forced it out from the side that sits on the clutch pedal... unfortunately I broke the bushing and had to purchase a new one so proceed with caution, luckily my dealer had them in stock. To install I compressed it by wrapping the top portion with a rag and used pliers, after it was compressed I used safety wire to hold it, replaced the bushing and holder and it went in fairly easy, then I snipped the safety wire and done.

old spring is right in blue and new spring is left in white





2025 Rear Shock Absorber Upper Mount Bolt (x4) 90109-10194
this was probably the easiest to install. Just jack up the wheel, and replaced them one bolt at a time to avoid any potential movement, they are tapered so it shouldn't be an issue either way. The torque spec is 44 ft lbs

old bolt is left and new bolt is right with the 10





2025 Lower Ball Joint Bolts (x2): 90105-12429 - original post stated 4 but it's actually 2, I now have an extra 2 if anyone wants them, just pay shipping and they're yours. These took the longest to arrive, literally a month after I ordered them.
Install was easy, I did it one side at a time, jack up each side and remove the wheel, remove the bolt and reinstall. Also double check the ball joint nuts, one of them wasn't fully torqued down on the driver side. Torque spec is 66 ft lbs for bolt and nuts

old bolt is the right one and new bolt is the left with the red. both show 11 at the top but the new bolt has a little dot next to the 11







2025 under tray full assembly 51410-12200
this has been covered so no need for pics

2025 under tray service cover 51405-12070 - I also ordered the service cover because they said the full assembly was on back order with no ETA and the service tray would arrive in a few days... full assembly arrived in 3 weeks, so I have the service cover sale if anyone is interested lol

my car is a 2024 Premium. After the install I took it for a drive and WOW, If I do say so myself the car feels... exactly the same. I wasn't expecting any difference, I mainly did it to have the latest parts to calm down my OCD and not sure why but I was kind of hoping the ball joint bolts would've solved a slight clunk I've been hunting down that occurs only when I'm reversing, it's kind of like something is shifting somewhere down there. I've retorqued the subframe, all visible bolts, installed the delta x pitch mount 70a, and unfortunately no luck...

Maybe some are more sensitive to the rigidity of the new parts and can feel some sort of difference or maybe when tracking the car or driving hard they become pronounced and noticeable. My car is a daily driver and I don't beat on it so I really didn't feel any difference.

Pic of my car

 
@GizmoGR, thank you for the detailed post, very helpful!

Any noticeable changes due to the clutch spring replacement?
No problem! Glad I can help. Lord knows this forum has provided me with a ton of help lol.

As for the clutch spring I don't really feel a difference, but then again I don't track my car or really drive it hard. Per the press release notes it states "For 2025, the clutch system has been updated to focus on providing a snappier clutch pedal operation feel. Particularly on the pedal return stroke, the clutch characteristics have been tuned for excellent controllability even with quick starts and half-clutch operation." This makes sense because the spring only controls the return stroke, my guess is that when driving hard and popping the clutch it should snap back faster. For daily driving it feels the same to me.
 
No problem! Glad I can help. Lord knows this forum has provided me with a ton of help lol.

As for the clutch spring I don't really feel a difference, but then again I don't track my car or really drive it hard. Per the press release notes it states "For 2025, the clutch system has been updated to focus on providing a snappier clutch pedal operation feel. Particularly on the pedal return stroke, the clutch characteristics have been tuned for excellent controllability even with quick starts and half-clutch operation." This makes sense because the spring only controls the return stroke, my guess is that when driving hard and popping the clutch it should snap back faster. For daily driving it feels the same to me.
I’m trying to do the return spring myself, I modified a wrench to hold the spring compression. I’m nervous about applying pressure to free the spring from the bushings. How did they fit when you reassembled everything? Do they just pop in?
 
I’m trying to do the return spring myself, I modified a wrench to hold the spring compression. I’m nervous about applying pressure to free the spring from the bushings. How did they fit when you reassembled everything? Do they just pop in?
Yup everything fit and went back in like normal. I removed it by pulling back and it all came out. Just be careful with the bushing because I broke mine, the other bushing/holder was fine.
 
I was kind of hoping the ball joint bolts would've solved a slight clunk I've been hunting down that occurs only when I'm reversing, it's kind of like something is shifting somewhere down there. I've retorqued the subframe, all visible bolts, installed the delta x pitch mount 70a, and unfortunately no luck...
If it happens when a wheel begins to rotate, it could be a brake pad clunking back and forth in the caliper, but I would expect you'd likely hear it again moving forward.
 
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