Product Summary

99-06 Chevy Silverado 1500, 99-06 GMC Sierra 1500

  • QA1 single adjustable front coil-overs with 18 clicks of independent compression and rebound control
  • 1"-3" drop 3"-5" with the drop spindle
  • Ride height adjustability to dial in stance and feel
  • Bolt-on design—no welding required
  • Spanner wrench and thrust bearing included
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Key Specs

PositionFront
Spring Rate700 lbs.
Shock AdjustabilitySingle Adjustable
Height AdjustableYes
FinishPolished
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Need To Know

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QA1 GS510-10700 Details

Upgrade the front suspension of your NBS truck with QA1’s coil-over conversion. Designed for 2WD 1999–2006 Silverado and Sierra 1500s with QA1 tubular upper and lower control arms and includes QA1’s double adjustable coil-overs.

DIAL IN THE PERFECT STANCE

QA1’s front coil-overs give you 1" to 3" of ride height adjustability right out of the box. Want to go lower? Pair them with QA1’s 2" drop spindles (Part Number: 9056-120) for a total drop range of 3" to 5" up front. Whether you're aiming for a subtle level or a slammed street look, this setup lets you get it just right.

RIDE QUALITY YOU CAN TUNE

This kit includes QA1’s single adjustable coil-overs, giving you 18 clicks of independent compression and rebound adjustment to fine-tune how your truck rides and handles. It’s easy to adjust on the vehicle and delivers a noticeable improvement in both comfort and control.

STRAIGHTFORWARD, BOLT-ON INSTALL

This system bolts directly into place using standard tools—no welding required.

MADE IN THE USA

QA1 NBS suspension is proudly made in Lakeville, Minnesota and built to last.

FEATURES & BENEFITS

  • QA1 single adjustable front coil-overs with 18 clicks of independent compression and rebound control
  • 1"-3" drop 3"-5" with the drop spindle
  • Ride height adjustability to dial in stance and feel
  • Bolt-on design—no welding required
  • Spanner wrench and thrust bearing included
  • Made in the USA

Specifications

  • Vehicle Position: Front
  • Shock Valving: Single Adjustable
  • Springs Included: Yes
  • Spring Rate: 700lb/in.

QA1 GS510-10700 Specifications

KEY SPECS
MFG. Part #GS510-10700
BrandQA1
PositionFront
Spring Rate700 lbs.
Shock AdjustabilitySingle Adjustable
Height AdjustableYes
FinishPolished
GENERAL
Coilover Springs IncludedYes
Sold in QuantityPair
Welding RequiredNo
Suspension Height Adjustment1.0-3.0 Inch Lowered
Spring ColorBlack

Questions & Answers

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