This QA1 rear suspension system converts 68-70 Mopar B-Body cars such as the Charger, Coronet and Belvedere from leaf springs to a triangulated 4-link coil-over design. It delivers a more planted feel, makes room for larger wheels and tires, corrects wheelbase and allows a 3in bumper exit exhaust.
Specifications:
- Triangulated 4-link coil-over rear suspension
- Powder-coated tubular cross member, upper and lower trailing arms
- Single-adjustable coil-overs
- Configured for Mopar 8-3/4in housing
- Clearance for a 3in bumper exit exhaust
- Works with factory-located or modified inboard leaf spring mounts
- All necessary installation hardware included; made in the USA
- Part number: R153-175
Vehicle Applications:
- 1968 Dodge Charger
- 1969 Dodge Charger
- 1970 Dodge Charger
- 1968 Dodge Coronet
- 1969 Dodge Coronet
- 1970 Dodge Coronet
- 1968 Plymouth Belvedere
- 1969 Plymouth Belvedere
- 1970 Plymouth Belvedere
- 1968 Plymouth GTX
- 1969 Plymouth GTX
- 1970 Plymouth GTX
- 1968 Plymouth Road Runner
- 1969 Plymouth Road Runner
- 1970 Plymouth Road Runner
- 1968 Plymouth Satellite
- 1969 Plymouth Satellite
- 1970 Plymouth Satellite
FAQ
Does installation require welding?
Installation requires a small amount of cutting and welding on the frame and axle housing. The kit works with factory-located or modified inboard leaf spring mounts.
Does this kit bolt in?
This QA1 kit is designed as a bolt-in installation for the 68-70 Mopar B-Body using common hand tools, and it ships with the necessary hardware.
Are the shocks adjustable?
Yes. The QA1 coil-over shocks allow ride height adjustment and shock valving adjustment so the ride can be tuned for street or performance use.
Is a warranty included?
QA1 single and double adjustable shocks are eligible for a best-in-class Limited Lifetime Warranty with registration at QA1.net/warranty.
Where is it made?
QA1 suspension is made in the USA in Lakeville, Minnesota.

