Going to replace blown nivomats... AC Delco or Bilsteins?

[Baymax]

So I've narrowed it down to my premium smooth ride shocks are blown. Yukon has 142 k, original zw7 shocks. After reading on here I've decided to replace with stiffer moog rear springs and standard shocks which are friendlier on our budget.

Best price for moog 81071 springs seems to be rock auto for $50/pair.

Which way should I go for shocks? Standard AC Delco for base suspension or I can go with HD AC Delco from Silverado/Sierras. Or is it worth the extra for the Bilstein 4600's? FYI, truck has aftermarket 20's on it with 275/60/20 size tires.

 

[Rangel]

When I swapped mine on my previous Suburban I went with the Bilstein 5100s it rode like a dream.

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[Baymax]

But aren't the 5100s for trucks that are lifted?

 

[MidwestMike]

The 5100's are adjustable, you can use them for lift,
but the option to not lift, use the stock position, is available.