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QA1 GD501-11300C

QA1 Pro Coil Front Coil-Over System Double Adjustable Shock

122-GD501-11300C

made in usa
Free Shipping Ships directly from the manufacturer
Save $20 Off $250, $50 Off $500, $100 Off $1,000, $150 Off $2,000. Promo Code: SAVEMORE exclusions apply

$659.99
QA1 Pro Coil Front Coil-Over System Double Adjustable Shock $659.99
Out of stock
QTY
Pro Coil Front Coil-Over System
  • Double Adjustable Shock
  • 10.5'' Compressed / 15'' Extended Shock Height
  • 11'' Spring Free Length
  • 1601-1700 lbs. Front End Weight
  • 300 lbs/in. Spring Rate
  • QA1 GD501-11300C Details

    Spring Style "C"

  • 1970-1981 Camaro / Firebird

    Features:
  • Truly independent compression and rebound adjustment.
  • 18 positions of rebound on one knob and 18 positions of compression on the other knob, providing 324 valving options.
  • One shock allows for the ultimate in fine-tuning for any application.

    Shock Mount Type:
  • Stud Type Upper Mount
  • T-Bar Type Lower Mount

    *Notes: Some front applications may require the lower a-arm to be dropped for installation. Body diameter may be too large to allow mounting from the bottom. Some control arm's shock openings may need to be enlarged to accept a QA1 shock.

    Stud mounts are measured to the shoulder of the stud. Add 13/16'' for installed compressed length per stud mount. Loops and t-bars are measured to the center of the loop. Lengths may vary slightly.

  • Specifications:

    Collapsed Length (in.)
    14.500
    Extended Length (in.)
    19.500
    Bushing Material
    Polyurethane
    Bushing Color
    Black
    Hardware Included
    Yes
    Gas Charged
    No
    Adjustable Mounting Bracket Included
    No
    Adjustable Valving
    Yes
    Coil-Over Kit Position
    Front
    Coil-Over Springs Included
    Yes
    Crossmember Included
    No
    Internal Design
    Twin-tube
    Number of Valving Selections
    324
    Quantity
    Sold as a kit
    Recommended Front-End Weight
    1,601-1,700 lbs
    Shock Body Finish
    Chrome
    Shock Body Material
    Steel
    Shocks Included
    Yes
    Spring Rate
    300 lbs./in.
    Suspension Height Adjustment (in.)
    0.0-2.0 lowered front
    Threaded Adjustment Range (in.)
    9.3
    Welding Required
    No
    Spring Finish
    Silver powdercoated
    Body Diameter (in.)
    1.625
    Upper Mount
    Tie bar
    Lower Mount
    Stud
    Manufacturer's Part Number:
    GD501-11300C

    Do you have a high-performance street/strip GM? The QA1 Double Adjustable Pro Coil System is the most versatile direct bolt-in front suspension on the market. No cutting or welding... these coil-over systems are designed to work with stock suspension and stock control arms (mounting bolt/nut assembly modification may be required).

    Take control of your vehicle's ride height, and get the stance you want with double adjustable valving that allows simple switching between one type of driving to another. Unlike many other shocks, the valving between compression and rebound can be adjusted independently. 18 positions of rebound on one knob and 18 positions of compression on the other knob, providing 324 valving options.

    The Pro Coil System Includes:

    • Two Proma Star double adjustable coil-over shocks
    • Two Specially Designed Conical Springs
    • All Mounting Hardware

      Easy Bolt-In Installation - Minimal modifications to be made. Remove the existing shocks and springs and the QA1 Pro Coil System bolts right back in.

      Ride Height Adjustable - Threaded aluminum shock body allows ride height adjustment.

      Specially Designed Conical Springs - This spring is designed so that the lower end sets on the coil-over shock and the upper end sets in the original spring bucket in the frame. This allows for the use of a longer and lighter spring for more stored energy, offering increased weight transfer. Greater durability is also achieved by locating the spring pressure in the frame and not on a single stud.

      Features
    • Systems include shocks, springs (rates below), and mounting hardware
    • Easy, Bolt-In Installation - Stock Location Using Stock Mount
    • Ride Height Adjustable
    • Remote Ready
    • 100% Dyno Tested and Serialized
    • Rebuildable & Revalvable by QA1 or QA1-Authorized Service Centers
    • Some replacement shocks sold individually
    • Proudly Made in Lakeville, MN USA!




      GM Pro Coil Coil Over Conversion Kits are also available in Single Adjustable and Drag Race "R" Series





      Spring Style ''A''
      Pigtail End
      3.50'' Upper ID
      2.50'' Lower ID

      Spring Style ''B''
      Flat End
      3.50'' Upper ID
      2.50'' Lower ID

      Spring Style ''C''
      Flat End
      4.10'' Upper ID
      2.50'' Lower ID

    Does QA1 GD501-11300C fit your vehicle?

    Narrow Results

    1976  CHEVROLET CAMARO

    • CC: 4097
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1974  CHEVROLET CAMARO

    • CC: 5736
    • Liter: 5.7
    • SubModel: LT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1980  CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: ALL

    1976  PONTIAC FIREBIRD

    • EngineType: ALL
    • SubModel: FORMULA

    1974  CHEVROLET CAMARO

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974  PONTIAC FIREBIRD

    • CC: 6555
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979-1981  PONTIAC FIREBIRD

    • EngineType: ALL
    • SubModel: ESPRIT

    1976  PONTIAC FIREBIRD

    • EngineType: ALL
    • SubModel: TRANS AM

    1972-1973  CHEVROLET CAMARO

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1980-1981  PONTIAC FIREBIRD

    • Liter: 4.9
    • Aspiration: T
    • SubModel: TRANS AM
    • CUI: 301
    • EngineType: V8 ( 4.9 L / 301 )

    1973  CHEVROLET CAMARO

    • CC: 5737
    • Liter: 5.7
    • SubModel: Z28
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975  PONTIAC FIREBIRD

    • Liter: 5.7
    • Aspiration: N
    • SubModel: TRANS AM
    • Engine Vin: J
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979  PONTIAC FIREBIRD

    • Liter: 4.9
    • SubModel: TRANS AM
    • CUI: 301
    • EngineType: V8 ( 4.9 L / 301 )

    1970  PONTIAC FIREBIRD

    • CC: 4097
    • Liter: 4.1
    • SubModel: ESPRIT
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1975  PONTIAC FIREBIRD

    • Liter: 6.6
    • SubModel: TRANS AM
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979-1981  PONTIAC FIREBIRD

    • EngineType: ALL
    • SubModel: FORMULA

    1970  CHEVROLET CAMARO

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1974  CHEVROLET CAMARO

    • CC: 5736
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979  PONTIAC FIREBIRD

    • Liter: 6.6
    • SubModel: TRANS AM
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975  CHEVROLET CAMARO

    • Liter: 4.1
    • SubModel: RS
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1976  CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: LT RALLY SPORT

    1970  CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: SS

    1972-1973  CHEVROLET CAMARO

    • CC: 5737
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1970  PONTIAC FIREBIRD

    • CC: 5733
    • Liter: 5.7
    • SubModel: TRANS AM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971-1976  PONTIAC FIREBIRD

    • EngineType: ALL
    • SubModel: ESPRIT

    1975  CHEVROLET CAMARO

    • Liter: 5.7
    • SubModel: RS
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971-1974  PONTIAC FIREBIRD

    • CC: 7456
    • Liter: 7.5
    • SubModel: BASE
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1975  PONTIAC FIREBIRD

    • Liter: 7.5
    • SubModel: TRANS AM
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1981  CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: BERLINETTA

    1980-1981  PONTIAC FIREBIRD

    • Liter: 5.0
    • SubModel: TRANS AM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1976  CHEVROLET CAMARO

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1970  CHEVROLET CAMARO

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1970  CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: RS

    1975  CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: BASE

    1974  CHEVROLET CAMARO

    • CC: 5736
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979-1981  PONTIAC FIREBIRD

    • EngineType: ALL
    • SubModel: BASE

    1977-1978  PONTIAC FIREBIRD

    • EngineType: ALL
    • SubModel: ALL

    1971-1973  PONTIAC FIREBIRD

    • CC: 6555
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1970  PONTIAC FIREBIRD

    • CC: 6555
    • Liter: 6.6
    • SubModel: ESPRIT
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1970-1974  PONTIAC FIREBIRD

    • CC: 5733
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972-1973  CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: RS

    1971  CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: ALL

    1972-1973  CHEVROLET CAMARO

    • CC: 5737
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972  CHEVROLET CAMARO

    • CC: 6588
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1972  CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: Z28

    1975  PONTIAC FIREBIRD

    • Liter: 5.7
    • Aspiration: N
    • SubModel: FORMULA
    • Engine Vin: J
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972  CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: SS

    1976  CHEVROLET CAMARO

    • CC: 5031
    • Liter: 5.0
    • SubModel: LT
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1970  PONTIAC FIREBIRD

    • CC: 6555
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975-1976  PONTIAC FIREBIRD

    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1974  CHEVROLET CAMARO

    • CC: 4097
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1981  PONTIAC FIREBIRD

    • Liter: 4.4
    • SubModel: TRANS AM
    • CUI: 267
    • EngineType: V8 ( 4.4 L / 267 )

    1970  CHEVROLET CAMARO

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972-1973  CHEVROLET CAMARO

    • CC: 5737
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973  CHEVROLET CAMARO

    • CC: 5737
    • Liter: 5.7
    • SubModel: LT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1970  PONTIAC FIREBIRD

    • CC: 6555
    • Liter: 6.6
    • SubModel: FORMULA
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1976  CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: RALLY SPORT

    1975-1976  PONTIAC FIREBIRD

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1974  CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: Z28

    1981  CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: SPORT

    1970  CHEVROLET CAMARO

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1970  CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: Z28

    1970  PONTIAC FIREBIRD

    • CC: 5733
    • Liter: 5.7
    • SubModel: FORMULA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971-1974  PONTIAC FIREBIRD

    • EngineType: ALL
    • SubModel: FORMULA

    1971-1974  PONTIAC FIREBIRD

    • EngineType: ALL
    • SubModel: TRANS AM

    1976  CHEVROLET CAMARO

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979  PONTIAC FIREBIRD

    • Liter: 6.6
    • SubModel: TRANS AM
    • CUI: 403
    • EngineType: V8 ( 6.6 L / 403 )

    1973  CHEVROLET CAMARO

    • CC: 5737
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973  CHEVROLET CAMARO

    • Liter: 5.0
    • SubModel: LT
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1976  CHEVROLET CAMARO

    • Liter: 5.7
    • SubModel: LT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1970-1974  PONTIAC FIREBIRD

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1971-1973  PONTIAC FIREBIRD

    • CC: 6555
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975  PONTIAC FIREBIRD

    • Liter: 6.6
    • SubModel: FORMULA
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1972-1973  CHEVROLET CAMARO

    • CC: 5737
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: J
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973  CHEVROLET CAMARO

    • CC: 5737
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: T
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1976  PONTIAC FIREBIRD

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981  CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: Z28

    1970  PONTIAC FIREBIRD

    • CC: 6555
    • Liter: 6.6
    • SubModel: TRANS AM
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1970  PONTIAC FIREBIRD

    • CC: 5733
    • Liter: 5.7
    • SubModel: ESPRIT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972-1973  CHEVROLET CAMARO

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1975  CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: LT
    Some parts are not legal for use in California or other states with similar laws / regulations

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    Tools:

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    Electrical Cords

    WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.