QA1 Pro Coil Rear Shock System Chevelle/El Camino 64-72 Single-Adjustable with 12” 150-Lb Springs

Give your 1964-1972 Chevelle or El Camino the dyno-tested power of this QA1 system! The Pro Coil rear shock system is what autocross and drag racers are looking for. The 150 lb/in springs mean you can raise or lower your Chevy to your liking. Meanwhile, the coilovers themselves provide lasting strength without a cumbersome weight. 

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 150 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.