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$783.80
$754.70
QA1 DD501-12110 Pro Coil-Over Conversion System, 110 lbs. Spring Rate
QA1 DD501-12110 Pro Coil-Over Conversion System, 110 lbs. Spring Rate

QA1 DD501-12110 Pro Coil-Over Conversion System, 110 lbs. Spring Rate

Universal Fit, Rear Position, 110 lbs. Spring Rate, Double Adjustable Shock Adjustability

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QA1 DD501-12110 Pro Coil-Over Conversion System, 110 lbs. Spring Rate
QA1 DD501-12110 Pro Coil-Over Conversion System, 110 lbs. Spring Rate
QA1 DD501-12110 Pro Coil-Over Conversion System, 110 lbs. Spring Rate
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QA1 DD501-12110 Pro Coil-Over Conversion System, 110 lbs. Spring Rate
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We estimate this item will ship on or before December 17th.
Part # 721DD50112110
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$754.70
$783.80
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 2 business days for QA1 to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.

Details

Position:
Rear
Spring Rate:
110 lbs.
Shock Adjustability:
Double Adjustable
Shock Type:
Twin Tube
Shock Body Material:
Aluminum
Shock Stroke:
5.00
Upper Shock Mount:
Eyelet
Lower Shock Mount:
Eyelet
Compressed Length Range:
11.00" to 11.99"
Compressed Length:
11.63"
Extended Length Range:
16.00" to 16.99"
Extended Length:
16.88"
Number of Valving Selections:
324
Finish:
Clear Anodized
Coilover Springs Included:
Yes
Bushing Material:
Steel
Body Diameter:
2.00"
Sold in Quantity:
Kit
Adjustable:
Yes
Hardware Included:
Yes
Crossmember Included:
Yes
Welding Required:
Yes
Gas Charged:
No
Color:
Black
Mounting Bracket Included:
Yes
Spring Finish:
Silver Powdercoated
MFG. Part #:
DD501-12110
Notes:
Includes 12 in. coil-over springs.

Info

Upgrade your rear end with QA1's Pro-Rear System. Available in double adjustable, single adjustable and ride sensitive valving non-adjustable options, each adjustment has been carefully defined to provide the ideal force curve to maximize performance. With evenly spaced valving changes throughout the adjustment range, there are no jumps when adjusting between any two clicks. These Pro-Rear Systems are commonly used in drag racing, street performance and street rod applications.

  • Available in Simultaneous Compression and Rebound Single Adjustable (DS), Independent Compression & Rebound Double Adjustable (DD) or Ride Sensitive Non-Adjustable (ALN)
  • Coil-Over
  • Lightweight Aluminum Ride
  • Height Adjustable
  • Spring Mounting Hardware Included
  • 100% Dyno Tested and Serialized
  • Revalveable and Rebuildable by the QA1 Factory or QA1 Authorized Service Centers
  • Precision Machined Aluminum Piston with PTFE Piston Band
  • 5/8" Centerless Ground, Hard Chrome Plated, Solid Piston Rod
  • Three Step Sealing System
  • Made in the USA

Kit includes: (2) Proma Star Shocks or Aluma Matic Shocks (2) Linear or Variable Rate Springs All Mounting Hardware

Notes

13.25"-14.50" recommended ride height

Some parts are not legal for use in California or other states with similar laws/regulations

More Like This

Reviews

Q & A

Videos & Articles
  • In this episode, Project Chevelle gets coilovers and a much-needed altitude adjustment. Watch as we install QA1 bolt-on coilover kits front and rear, then dial in the perfect stance and shock settings. Our old Chevelle is really starting to look mean!
  • Kyle Vanover discusses how dents affect racing shocks. Learn how monotubes and twin tubes are affected by damage differently.
  • Product guru Jeff K. takes us along as he updates the suspension on his 1946 Ford Sedan Delivery with a set of fresh Mustang II coilovers following an unfortunate incident with a pothole.
  • Speedway Motors employee Steve is back to work on his 1976 Chevrolet Laguna, this time installing a QA1 Coilover kit in his front suspension.

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