SKU: M911PL | UPC: 806990154200
QA1 MOD Series Coil Over Shock Absorber Piggyback Left Hand Bearing Mount 14.875 Inch to 23.625 Inch
The QA1 M911PL MOD Series Coil Over Shock Absorber is the ultimate tunable shock for custom coil over builds. This piggyback left hand shock features a 14.875 inch compressed and 23.625 inch extended length with bearing mount and QuickTune Technology that allows fully independent 4 way adjustment of high and low speed compression and rebound. Modular valve packs can be swapped in minutes without opening the shock for debris free revalving. The aluminum body and internal floating piston deliver consistent fade free performance while the indexable base eyelet and piggyback canister provide unmatched mounting flexibility. 100 percent dyno tested serialized and proudly made in the USA this shock gives you unprecedented control and performance for street track or drag racing applications.
Key Features
- 4 Way Adjustable High and Low Speed Bleed: Fully independent compression and rebound tuning
- QuickTune Technology: Dry modular valve packs swap in minutes without opening the shock
- Piggyback Canister: Nitrogen charged for easy installation in tight areas
- Bearing Mount Design: Smooth operation and precise alignment
- 14.875 Inch to 23.625 Inch Length: Ideal for a wide range of custom coil over setups
- 100 Percent Dyno Tested and Serialized: Consistent performance you can trust
Specifications
| Specification | Detail |
|---|---|
| Part Number | M911PL |
| Position | Left Hand |
| Shock Type | Piggyback Coil Over |
| Compressed Length | 14.875 inches |
| Extended Length | 23.625 inches |
| Adjustability | 4 Way High and Low Speed Compression and Rebound |
| Mount | Bearing Mount |
| Body Material | Aluminum |
| Reservoir | Piggyback |
| Application | Custom Coil Over Builds Street Track and Drag Racing |
| Installation | Bolt On with Mounting Adjustability |
| Country of Origin | United States |
| Warranty | Limited Lifetime (QA1) |
| Shipping Weight | Approx. 8 to 10 pounds |
Whats Included
- One QA1 MOD Series Piggyback Coil Over Shock Absorber
- All Necessary Mounting Hardware
- Detailed Installation and Tuning Instructions
Product Notes
- Coil spring not included allows custom spring rate selection
- QuickTune modular valve packs let you revalve without opening the shock
- Indexable base eyelet and piggyback canister for maximum mounting flexibility
- Professional installation and proper coil over setup recommended
Installation Notes
- Estimated time: 1 to 2 hours moderate difficulty
- Bolt on system with adjustable mounting for custom applications
This Part Fits
| Application | Notes |
|---|---|
| Custom Coil Over Builds | Street Track Drag Racing and Performance Applications |
Why Choose QA1 MOD Series Coil Over Shock?
- Unprecedented 4 way tunability with QuickTune modular valve packs
- Piggyback design and bearing mount for superior performance and flexibility
- Premium QA1 quality made in the USA with lifetime warranty confidence
Frequently Asked Questions
- Q: Is this a complete coil over kit?
A: This is the shock absorber only coil spring sold separately for custom rate selection. - Q: Can I adjust the valving myself?
A: Yes QuickTune modular valve packs allow easy revalving without opening the shock. - Q: What is the warranty?
A: Covered by QA1 limited lifetime warranty.
Shipping and Handling
- Method: UPS / FedEx Ground
- Availability: In stock ships same or next business day
- Packaging: Secure protective packaging
- Weight: Approx. 8 to 10 pounds






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