Thoughts on Clamshell-Style Strut Spring Compressor from Harbor Freight

I like his method of "chasing" the threads on the stud with a M12 die. I suspect his method actually reshapes the interference thread pitch to conventional thread dimensions, thus allowing the nut to be removed with less binding. I will purchase a Metric die set before I replace another sway bar link.
This is the set I purchased off of Amazon..not heavy duty but worked well.

On a side note, the Moog sway bar links have grease fittings. I am a fan of that.

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This is the set I purchased off of Amazon..not heavy duty but worked well.
I will check out that set on Amazon as it appears to have a wide assortment of metric and SAE sizes.
On a side note, the Moog sway bar links have grease fittings. I am a fan of that.
I also prefer grease fittings on suspension parts; however, we appear to be a minority on BITOG. I have found the Moog sway bar links to be thicker and sturdier (in appearance) than the Honda OEM parts. The only issue I have run into with Moog SBLs is that you sometimes have to use a 45 or 90 degrees angled Zerk fitting instead of a straight Zerk due to clearance issues on certain Hondas.
 
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Went for a test drive after replace the left front strut and found the noise still present. I now suspect the issue is a sway bar link.... Amazon has the Moog replacement for the left side in stock for Sunday delivery, so that is good news. The right side sway bar link is out of stock. RockAuto can deliver on Tuesday, but my last day of vacation is Monday. I will replace the driver side sway bar link on Sunday, and then do the passenger front strut and sway bar link the first week of October.
Partsgeek has Sankei 555 links for $25 each, that is the only aftermarket ones I would use.
 
My friend bought one, and 3 people tried to make it work. it was not big enough or wouldn't compress enough. Some old hook screw types were used, and they worked, scary as hell, but the job was done. We almost bought this but decided we were never going to use it enough. The price isn't that bad, at $400 Cal Van Floor Mounted Strut Compressor.

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Update primarily for @Nukeman7.

Installed the Moog driver side sway bar link earlier today.

A few notes. The lower OEM portion of the link is more difficult to remove, as the axle boot is in the way. There was not room to get a ratchet on the#6 hex head. I used a little wrench on the #6 hex head and it worked. This is a very tight fit, subject to corrosion. I pb blasted the assembly the day prior. I also chased the threads. Had I not done those to things, I can see this job going south in a bad way.

The Moog arm went in well. Only issue, five miles into the test drive, when making a left turn onto a highway, a huge clunk was heard from the area I worked on. I did a visual inspection and could not identify what happened. I suspect some torque gave way from the sway arm, but very weird. I drove another 20 miles and no issues.

No issues with grease gun getting to the zero fittings.
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Update primarily for @Nukeman7.

Installed the Moog driver side sway bar link earlier today.

A few notes. The lower OEM portion of the link is more difficult to remove, as the axle boot is in the way. There was not room to get a ratchet on the#6 hex head. I used a little wrench on the #6 hex head and it worked. This is a very tight fit, subject to corrosion. I pb blasted the assembly the day prior. I also chased the threads. Had I not done those to things, I can see this job going south in a bad way.
That was a smart move to use the small wrench on the 6mm hex head. I will remember to chase the threads with a 12mm die the next time I replace any SBLs.
The Moog arm went in well. Only issue, five miles into the test drive, when making a left turn onto a highway, a huge clunk was heard from the area I worked on. I did a visual inspection and could not identify what happened. I suspect some torque gave way from the sway arm, but very weird. I drove another 20 miles and no issues.
That is unusual. I've never experienced anything similar when replacing the SBLs with Moog units. However, if both ends of the SBL are tightened without partial loading on the suspension, the studs can be cocked slightly askew (i.e., not perpendicular with the holes) and not seat perfectly. You might want to partially unload the suspension and re-torque both nuts to spec.
No issues with grease gun getting to the zero fittings.
Moog is somewhat inconsistent with the placement of the ports for their Zerk fittings relative to a specific vehicle platform. Sometimes they are perfectly positioned for servicing like on your RDX. Other times they are tapped in the most illogical location like on top of the Moog Problem Solver ball joint on my Honda Element...which completely prevents the installation of the CV axle.
 
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