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Rancho RS7MT 0″ Rear Lift Shocks for — US Postal FJ-8A 2WD
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Rancho RS7MT 0″ Rear Lift Shocks for — US Postal FJ-8A 2WD
Rancho RS7MT 0″ Rear Lift Shocks for US Postal FJ-8A 2WD
Part Number: RS77119
Summary: The Rancho RS7MT series is engineered for high-performance handling and rapid heat dissipation on the US Postal FJ-8A. This monotube shock absorber features a specialized floating piston that separates the nitrogen gas from the oil, eliminating aeration and performance fade. Designed for stock height applications, it provides the precision response required for heavy-duty commercial use and frequent stop-and-go cycles.
Features
- Monotube Design: A high-pressure nitrogen gas charge provides consistent damping force to ensure precise vehicle control under heavy loads.
- Internal Floating Piston (IFP): The physical separation of gas and oil provides zero aeration to ensure fade-free performance during continuous operation.
- Hardened Nitro-Churized Rod: The 14mm piston rod provides superior scuff and corrosion resistance to ensure long-term seal integrity.
- OE-Style Mounts: Application-specific bushings provide a direct-fit installation to ensure reduced NVH (Noise, Vibration, and Harshness).
Technical Specifications
| Specification | Value |
|---|---|
| Series | RS7MT |
| Position | Rear |
| Compressed Length | 12.52 inches |
| Extended Length | 18.11 inches |
| Travel | 5.59 inches |
| Upper Mount Type | L1 |
| Lower Mount Type | OE-Style Mount |
| Lift Height | 0″ (Stock) |
Fitment
- US Postal FJ-8A 2WD
- Note: AM General Model FJ-8A. Fits Rear position at 0″ lift height.
What’s Included
- Includes 2 Shocks
- Installation Hardware & Bushings
Why Choose This Product?
- Engineering Advantage: The RS7MT utilizes a high-pressure monotube architecture that reacts faster to road inputs than traditional twin-tube shocks.
- Performance Benefit: Drivers will experience increased stability and reduced body roll, specifically tuned for the unique weight distribution of the FJ-8A chassis.
Related Products
RS5000X (Front):
Rancho RS5000X 0" Front Lift Shocks for — US Postal FJ-8A 2WD
Front Only (Same Series):
Rancho RS7MT 0" Front Lift Shocks for — US Postal FJ-8A 2WD
RS5000X (Kit):
Rancho RS5000X 0" Lift Shocks for — US Postal FJ-8A 2WD
RS90000XL (Front):
Rancho RS90000XL 0" Front Lift Shocks for — US Postal FJ-8A 2WD
RS7MT (Kit):
Rancho RS7MT 0" Lift Shocks for — US Postal FJ-8A 2WD
RS90000XL (Kit):
Rancho RS90000XL 0" Lift Shocks for — US Postal FJ-8A 2WD
Frequently Asked Questions
Will these shocks lift my US Postal FJ-8A?
No, these shocks are configured for 0-inches of lift and are designed to replace the factory-length dampers at stock height.
What is the benefit of the Monotube design for a delivery vehicle?
The monotube design dissipates heat faster than twin-tube shocks, preventing the suspension from becoming “mushy” during long shifts or heavy loading.
Are these shocks sold as a pair?
Yes, this SKU includes 2 rear shocks to provide a complete service for the rear axle.
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