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Enhanced Shock Performance and Durability
The 2.5-inch piston design increases fluid movement, improving damping forces while minimizing cavitation. The larger valve diameter enhances control across varying terrain, offering smoother transitions from rock crawling to high-speed trail driving. FOX’s use of aluminum dissipates heat up to four times faster than traditional materials, and each shock is anodized for superior corrosion resistance.
Purpose-Built for Classic Applications
Tuned specifically for 1969–1972 Chevrolet and GMC models, these shocks are built to accommodate 4 inches of suspension lift. Whether your vehicle is 4WD or rear-wheel drive, FOX ensures the valving matches the demands of heavier tires and aggressive terrain. Included with this shock kit are premium Bilstein 5100 Series cylinders, brushed silver zinc finish, black dust boots, and all mounting hardware required for installation.
Why Upgrade to FOX 2.5 IFP Shocks?
- High-pressure monotube design with patented internal floating piston
- Built from aluminum for faster heat dissipation and long-term durability
- Increased wheel travel and control for aggressive off-road use
- Compatible with up to 4-inch lift systems
- Vehicle-specific valving for maximum performance and comfort
Performance Comparison: Key Points
| Feature | FOX 2.5 IFP | OEM Shocks |
|---|---|---|
| Material | Aluminum | Steel |
| Cooling Efficiency | High (4x better) | Standard |
| Shock Diameter | 2.5 inches | 1.5 inches |
| Off-Road Handling | Exceptional | Limited |
| Serviceability | Fully rebuildable | Non-rebuildable |
Technical Specifications
| Specification | Details |
|---|---|
| Shock Type | Monotube IFP |
| Body Material | Aluminum |
| Shock Diameter | 2.5 inches |
| Lift Compatibility | 4 inches |
| Included Hardware | Yes |
| Finish | Brushed Silver Zinc |
Fitment Guide
| Years | Make | Model | Driveline | Engine |
|---|---|---|---|---|
| 1969–1972 | Chevrolet | Blazer | 4WD / RWD | GAS |
| 1970–1972 | GMC | Jimmy | 4WD / RWD | GAS |
Important Considerations
- Requires minimum 4-inch lift height
- Must have 3-bolt steering knuckle
- Optional 4'' Offset Drag Link (PN: GMDL4)
- Lowering brackets must be ordered if equipped with front sway bar
- For 4-bolt steering knuckle, use PN: GMDL4 instead of PN: CA100
- Driveline and exhaust modifications may be necessary
Engineered for the Trail, Tuned for the Street
FOX 2.5 IFP shocks offer more than just a smooth ride. Designed to bridge the gap between daily drivability and extreme trail performance, they bring race-proven damping technology to your classic Chevy or GMC SUV. Whether you're restoring a classic or prepping for the next off-road challenge, FOX delivers performance that lasts a lifetime.
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