2021+ PPV Suspension

[Capsaicin]

I've read some articles regarding the '21+ PPV Tahoe and some of its suspension enhancements. From what I've seen, it looks like the PPV Tahoes get siffer/lower springs, more aggressively valved shocks (to match the springs), and different sway bars.

Does anyone have any detailed information on this? Is it lower than the normal "smooth ride suspension" the LT or non-Air Ride get? Any idea on spring rates.

Same questions for shocks as above. Also what about different (shorter) bumpstops.

Does anyone have the part numbers for the above?

I'm hoping to take delivery of my Tahoe LT in the next month or two and am researching putting on some slightly lower suspension (even better if OEM parts) for street use. Thanks.

 

[Rich_v]

I too am interested in swapping PPV shocks/springs on to my Yukon.

When I did some searching based on VIN, it looks like the PPV has the same sway bars.

It’s likely too early to tell since most of the public hasn’t had a chance to really dig in to the PPVs of the new chassis just yet.

 

[Capsaicin]

I too am interested in swapping PPV shocks/springs on to my Yukon.

When I did some searching based on VIN, it looks like the PPV has the same sway bars.

It’s likely too early to tell since most of the public hasn’t had a chance to really dig in to the PPVs of the new chassis just yet.

Did you get a VIN for a PPV you can share? How are you pulling parts based on VIN?

 

[Reddevil96]

I want to know specifics on the spring rates vs standard a d vs denali w/ mag ride. Same with sway bars that are suppose to bigger and higher rates, but by how much?

 

[Capsaicin]

Hey all, i might have tracked down some part numbers for a '21 PPV. Unsure if these are 100% correct and hopefully could have someone validate. I dug around and found out that the RPO code for the PPV suspension is Z56. Also found these numbers:

Part numbers for 2021 PPV

Front PPV Gas Shocks: # 85112860

Rear PPV Gas Shocks: # 85112863

20" x 9" PPV steel wheels # 23376235

If the above is correct, using fitment codes, I was able to find 3 springs that match. One for the rear and two for the fronts:

Rear 1 = GM Part # 84675866

Front 1 = GM Part # 84675865
Front 2 = GM Part # 84675864 (assuming that this is the 2wd version as the "free height" is slightly less, accounting for the lighter weight as the 2wd lacks the front axels/transfer case)

I'm guessing there are different front parts because you can get the PPV in both 2wd and 4wd. Unsure which is which though.

Also this MIGHT be the front sway bar for the '21 PPV = GM Part # 84759504 (this differs from the '22 5.3l (and duramax) 4wd LT as its number is GM Part # 84759503)

Can anyone confirm these part numbers?