SKU: R253-175 | UPC: 806990163233
QA1 Rear Double Adjustable Four Link Suspension System for 1968-1970 Mopar B-Body
The QA1 R253-175 kit fits 1968-1970 Mopar B-Body models and replaces leaf springs with a triangulated four-link coil-over system. It corrects wheelbase for larger tires while delivering traction during launches cornering and straight-line runs. Drivers gain better ride quality and responsiveness for street autocross or drag strip use.
Key Features
- Triangulated Four-Link Design: Maintains pinion angle and axle position for consistent traction and reduced body squat under load.
- Double Adjustable Coil-Overs: Series 12 shocks with independent rebound compression damping 175 lb/in spring rate and 8-inch ride height adjustment for street track balance.
- Powder-Coated Tubular Components: Crossmember upper lower trailing arms and brackets resist corrosion with rigid frame support.
- Adjustable Geometry: Lower arms tune anti-squat heim joints ensure precise alignment and smooth articulation.
- Complete Hardware Package: Grade 8 bolts spacers bushings spherical bearings and mounting tabs included for full assembly.
Product Notes
- Compatible with Chrysler 8-3/4-inch or Ford 9-inch axle housings using factory leaf spring or inboard mounts.
- Made in USA with limited lifetime warranty on eligible shocks.
- Rear sway bar kit available separately with upper brackets to limit body roll.
Installation Notes
- Professional installation recommended.
- Requires cutting frame rails welding upper crossmember and four-link tabs to housing 220V welder advised.
- Basic alignment tools needed integrates with existing frame and axle prep.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1968-1970 | Dodge | Charger | Base |
| 1968-1970 | Dodge | Charger | R/T |
| 1969 | Dodge | Charger | Daytona |
| 1969 | Dodge | Charger | SE |
| 1969-1970 | Dodge | Charger | 500 |
| 1968-1970 | Dodge | Coronet | R/T |
| 1968-1970 | Dodge | Coronet | Super Bee |
| 1968-1970 | Dodge | Coronet | 440 |
| 1968-1970 | Dodge | Coronet | 500 |
| 1970 | Dodge | Coronet | Base |
| 1968-1970 | Dodge | Coronet | Deluxe |
| 1968-1970 | Plymouth | Belvedere | Base |
| 1968-1970 | Plymouth | Belvedere | Satellite |
| 1968-1970 | Plymouth | GTX | Base |
| 1968-1970 | Plymouth | Road Runner | Base |
| 1968-1970 | Plymouth | Satellite | Base |
| 1968-1970 | Plymouth | Satellite | Sport |
Why Choose QA1?
- Established leader in performance suspension for motorsports and street cars.
- Engineered components deliver reliable handling and durability.
- Precision manufacturing with tunable features for custom setups.
Frequently Asked Questions
- Q: Does this kit fit 1968-1970 Dodge Charger and Plymouth Road Runner?
A: Yes R253-175 provides direct fit for these models with Chrysler 8-3/4-inch or Ford 9-inch axles using factory mounts. - Q: What materials and finish are used on the arms and crossmember?
A: Tubular steel construction with black powder coat finish spherical bearings for zero-deflection pivots. - Q: What warranty coverage applies?
A: Limited lifetime warranty on eligible double adjustable shocks all other components covered under standard terms.
Shipping & Handling
- Method: Freight
- Availability: In stock – ships same or next business day
- Packaging: Freight shipment due to size and components no box dimensions listed
- Weight: Not specified by manufacturer
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