Anyone have a part number for the tool that locks the timing belt stuff for the belt change, or am I stuck using a universal when I change the belt?

 

What TB locking tool are you referring to when you state '...that locks the timing belt stuff...", the crankshaft pulley holding tool to break loose the crank bolt?
07MAB-PY3010A
It can't be the ring gear holder 07LAB-PV00100 because you have an automatic.

 

The one that holds the cam gears in place while you change the belt. Notched on both sides to fit between the gears.

 

The only one I observe on the below google search similar to that description is for four cylinder B series engines?
honda Cam Gear Holder Tool Set - Google Search

Removing the spark plugs before performing the TB DIY helps keep the front & rear cam gears still while working; otherwise, point out the one you have in mind if it is present in the link above for your J-Series V6?

 

Was hoping there was one for the j35 since the cams are side by sideish...I just like having a visual guarantee that nothing's moving when working with timing belts...I think, without seeing inside the cover(aside from at the junkyard) the general application version being sold by Walmart and Amazon will likely work.

Saihisday Timing Locking Tool Kit Cam Lock Tool Camshaft Sprocket Clamp Kit Camshaft Gear Holder Dual Cam Clamp https://a.co/d/fba2ztr

Not sure how removing the spark plugs would help hold the cam gears in place since you'd think it would make the cams move more readily than if there were pressure in the combustion chamber...

 

IF the bar (yellow) measures long enough to span the distance (red; second picture) with the TB removed, maybe; however, it may come up short.


kudos to @619rcr for his J35 pic above.

I agree.
These may work individually if you can find a suitable place to securely attach them as the tooth (yellow) inserts / slides onto the cam gear groove, maybe?


From experience & it's the opposite of your thought process.


Spark plug removal also makes for an easier valve adjustment process as well.
Try barring over the crankshaft pulley assembly with the spark plugs installed when dialing in the front head cam gear to #1 TDC, per the cam pulley mark on the cam plate.
Then remove the spark plugs and witness how much more less resistant (jerky) the engine is to bar over.
With the plugs removed, the valves will only be influenced by the valve springs & particular cam lobe on the camshaft without '...pressure in the combustion chamber...; thus, lessening resistance & the likely hood of a moving cam gear.
If my logic above is in error, I invite a forum member to chime in with their thoughts.

 

I have changed the timing belt in my 06 RL without any trouble. Just mark the belt and gears before removal and transfer the marks onto the edge of the new belt and you will be fine.