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QA1 GM Pro Front Coil-Over Shock Absorber - Single Adj. - Stock Mount - 8.625in/12.875in - Aluminum

QA1
QAPGS401
806990057358
Shocks and Struts
20+ Units In Stock - Ships Next Business Day
$ 304.59 $ 274.95
$ 274.95

SKU: GS401 | UPC: 806990057358

QA1 GM Pro Front Coil-Over Shock Absorber - Single Adj. - Stock Mount - 8.625in/12.875in - Aluminum for 1964-1972 Chevrolet Chevelle, 1967-1969 Camaro, 1968-1969 Pontiac Firebird

The QA1 GS401 delivers precise ride height adjustment and compression damping control in a lightweight aluminum coil-over shock for classic GM vehicles like the 1964-1972 Chevrolet Chevelle, 1967-1969 Camaro and 1968-1969 Pontiac Firebird. This single adjustable front shock uses stock mounts for straightforward bolt-in fitment and offers 24-position compression valving to match street or drag demands. Its 4.25-inch travel from 8.625-inch compressed to 12.875-inch extended length ensures responsive handling and consistent performance.

Key Features

  • Single Adjustable Compression Valving: 24 precise adjustment clicks allow damping tuning for track or road conditions without tools
  • Lightweight Aluminum Body: 2.34-inch diameter billet construction cuts unsprung weight to sharpen acceleration and cornering
  • Ride Height Adjustable: Threaded perch design enables quick height changes from 1-3 inches drop using stock components
  • 100% Dyno Tested and Serialized: Each shock undergoes dyno validation with unique serial number for performance assurance
  • Made in USA and Rebuildable: Precision manufactured in Minnesota with full serviceability at QA1 centers

Product Notes

  • Coil springs sold separately. pair with QA1 3-inch ID springs rated 250-500 lb/in for your setup
  • Drag "R" Series valving optimized for straight-line traction. verify compression settings for your power level
  • Product weight 7.60 lbs. handles up to 500 hp applications with proper spring match

Installation Notes

  • Professional installation recommended.
  • Bolts to OEM upper stem and lower cross pin mounts with no cutting or welding
  • Requires stock GM metric front suspension hardware. upper control arm bushings may need upgrade for high-horsepower use

This Part Fits

Year Make Model Submodel
1964-1972 Chevrolet Chevelle All
1967-1969 Chevrolet Camaro All
1968-1969 Pontiac Firebird All
1969-1974 Chevrolet Nova All
1964-1972 Chevrolet El Camino All

Why Choose QA1?

  • Decades of motorsports testing in NHRA and IHRA classes
  • Every shock dyno-tested for repeatable damping curves
  • Engineered with rebuild kits and lifetime limited warranty

Frequently Asked Questions

  • Q: Does this coil-over include springs?
    A: No, the GS401 shock ships without springs. Select QA1 TSR or TSR Aero springs with 3-inch ID and appropriate rates for your vehicle weight and use.
  • Q: What adjustment options are available?
    A: Single adjustable compression valving provides 24 clicks of adjustment from soft street settings to firm drag tune without removing the shock.
  • Q: What is the warranty coverage?
    A: QA1 offers a lifetime limited warranty against defects in materials and workmanship on valving. excludes abuse or improper installation.

Shipping & Handling

  • Method: UPS Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Protective cardboard box 14in x 7in x 6in
  • Weight: 7.60 lbs

Request For Information

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