QA1 Pro Coil Rear Shock System Chevelle/El Camino 64-72 Single-Adjustable with 12” 170-Lb Springs
Highlights
- Great for Drag Racers
- 100% Dyno Tested
- 18 Positions of Adjustment
- Bolt-in Design
QA1 Pro Coil Single-Adjustable Rear Shock System with 12” 170-Pound Springs for 1964-1972 Chevy Chevelles and El Caminos.
Transform your 1964-1972 Chevelle or El Camino’s handling with QA1’s Pro Coil rear shock system! It’s great for a variety of applications like street rods, drag racers, and autocross setups. Billet aluminum coilovers are used to offer 18 positions of compression and rebound adjustment. The 12” springs then allow you to mildly lift or moderately lower your Chevy for a one-of-a-kind setup.
Features and Benefits:
- Ideal for street rod, drag racing, & autocross applications
- 100% dyno tested by QA1
- Coilovers are made of lightweight, billet aluminum
- 12” springs operate at 170 lb/in spring rate
- Max lift height: 0.5” higher than stock
- Max lowering height: 2.25” lower than stock
- 18 positions of simultaneous compression & rebound adjustment
- Fully threaded body for use of aftermarket springs
- Straightforward, bolt-in installation
Additional Notes:
- The lower shock mount bracket may not work with aftermarket rear end housings.
- Requires a spanner wrench for installation, sold separately. See QA1 part numbers T114W and T115W.
California Residents: Proposition 65 Warning
Related Categories: Restomod, Suspension

Installation Difficulty

Intermediate skill is required for this installation.
Installation Instructions
Vehicle Fitment
This product will fit the following Chevelle years:
- 1964,
- 1965,
- 1966,
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,
This product will fit the following El Camino years:
- 1964,
- 1965,
- 1966,
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,