Rancho RS7MT 1.5″ Rear Lift Shocks for 1963-1972 GMC C2500 2WD Rear Leaf Spring
$156.88
In stock
Rancho RS7MT 1.5″ Rear Lift Shocks for 1963-1972 GMC C2500 2WD Rear Leaf Spring
Part Number: RS77118
Summary: The Rancho RS7MT monotube shock absorber is engineered for high-performance handling and rapid heat dissipation on vehicles with 1.5 inches of rear lift. Utilizing a high-pressure nitrogen gas charge and a floating dividing piston, these shocks eliminate oil aeration and foaming during aggressive driving. This specific configuration is designed to provide precise control and consistent damping for the GMC C2500, ensuring a stable ride regardless of the terrain or load.
Features
- Monotube Construction: A 2-inch diameter body with a high-pressure gas charge provides rapid heat dissipation to ensure consistent performance during heavy-duty use.
- Internal Dividing Piston: The full-floating piston separates nitrogen gas from the shock oil to provide zero aeration and immediate response to surface changes.
- Hardened Nitro-Carburized Rod: The heavy-duty piston rod provides superior scuff and corrosion resistance to ensure long-term seal integrity.
- Polyurethane Bushings: High-density mounting material provides enhanced durability and road feedback to ensure a more connected driving experience.
Technical Specifications
| Specification | Value |
|---|---|
| Series | RS7MT |
| Position | Rear |
| Extended Length | 22.17 inches |
| Compressed Length | 14.69 inches |
| Upper Mount | L1 |
| Lower Mount | OE-Style Mount |
| Lift Height | 1.5″ |
Fitment
- 1963-1972 GMC C2500 2WD (Rear Leaf Spring Models)
- Note: Fits models configured with rear leaf springs and 1.5 inches of rear lift only.
What’s Included
- Includes 2 Shocks (Pair)
- Necessary Mounting Washers and Bushings
- Protective Dust Boots
Why Choose This Product?
- Engineering Advantage: Rancho’s monotube design features a larger oil capacity and faster reaction times than standard twin-tube shocks, specifically tuned for classic truck geometry.
- Performance Benefit: Drivers will experience a significant reduction in body roll and “pogo” effects, resulting in a firm, controlled ride that excels in both towing and unloaded scenarios.
Related Products
RS5000X (Rear):
Rancho RS5000X 1.5" Rear Lift Shocks for 1963-1972 GMC C2500 2WD Rear Leaf Spring
Rancho RS5000X 1.5" Lift Shocks for 1963-1972 GMC C2500 2WD Rear Leaf Spring
RS5000X Full Kit:
Rancho RS5000X 1.5" Front Lift Shocks for 1963-1972 GMC C2500 2WD Rear Leaf Spring
RS90000XL (Rear):
Rancho RS90000XL 1.5" Rear Lift Shocks for 1963-1972 GMC C2500 2WD Rear Leaf Spring
Rancho RS90000XL 1.5" Lift Shocks for 1963-1972 GMC C2500 2WD Rear Leaf Spring
RS90000XL Full Kit:
Rancho RS90000XL 1.5" Front Lift Shocks for 1963-1972 GMC C2500 2WD Rear Leaf Spring
Frequently Asked Questions
Are these shocks sold as a pair?
Yes, this SKU (2xRS77118) includes a complete pair of shocks for the rear axle.
Will these shocks lift my GMC C2500?
No, these shocks do not create lift. They are specifically valved and length-matched for vehicles that have already been modified with a 1.5-inch rear lift.
What is the benefit of the RS7MT monotube over a standard shock?
The monotube design dissipates heat much faster and uses a high-pressure charge to prevent the oil from foaming, which means your suspension won’t get “soft” or fade during long trips or rough roads.
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