Rear Spare Tire Support Plate for Silverado/Sierra Crossmember vs Shock extenders for Silverado/Sierra 1500 (4"-6") mounting kit

Overall winner: Shock extenders for Silverado/Sierra 1500 (4"-6") mounting kit

Key Differences

KSP PERFORMANCE shock extenders are a lower-priced, universal-fit mounting kit for 1999–2006 Silverado/Sierra 1500 and focus on rear shock extension (4"–6") with heavy-duty stamped steel and corrosion-resistant coating; Mountainpeak’s spare tire support plate is a higher-priced, heavy-duty galvanized crossmember part specific to certain Silverado/Sierra generations and designed to support the rear spare without removing the bed. Choose KSP PERFORMANCE if you need an affordable, universal shock-extension solution; choose Mountainpeak if you specifically need a galvanized rear spare-tire support for the listed crossmember fitment

Rear Spare Tire Support Plate for Silverado/Sierra Crossmember

Rear Spare Tire Support Plate for Silverado/Sierra Crossmember

Mountainpeak • ★ 3.9/5 • Mid-Range

Rear spare tire support crossmember for 1999-2014 Chevy Silverado and GMC Sierra 1500. Heavy-duty steel with galvanized finish for corrosion resistance; easy installation without bed removal. Customers note solid build and good fit

Pros

  • heavy-duty steel construction
  • galvanized surface for rust resistance
  • easy installation without removing truck bed
  • strong fit for multiple model years

Cons

  • fits specified generations only
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Shock extenders for Silverado/Sierra 1500 (4"-6") mounting kit

Shock extenders for Silverado/Sierra 1500 (4"-6") mounting kit

KSP PERFORMANCE • ★ 4.1/5 • Mid-Range

Shock extension kit for 1999-2006 Chevy Silverado 1500 and GMC Sierra 1500. Enhances mounting height for rear shocks with stamped steel, electrostatically coated and powder coated for durability. One customer notes easy installation and good fit

Pros

  • heavy-duty stamped steel construction
  • corrosion-resistant coating
  • universal fit for 1999-2006 Silverado/Sierra 1500
  • easy to install

Cons

  • U-bolts may be too long (customer note)
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Head-to-Head

CriteriaWinner
Price KSP PERFORMANCE
Durability Tie
Versatility KSP PERFORMANCE
User Reviews KSP PERFORMANCE