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19 Karma

Review on ACDelco 525 21 Specialty Heavy Absorber: Superior Performance for Maximum Efficiency by Josh Cooper

Revainrating 5 out of 5

Not Very HD - Excessive Rebound

The shocks appear to be quality for the price, but they have excessive rebound or rebound when going over bumps - especially the rear on our 2009 GM 3500HD - looks like they are Shock absorber worn. Wouldn't buy again - will probably get a stiffer shock like a Bilstein.

Pros
  • New
Cons
  • Discarded