Description
Fits: 2011 thru 2019 Chevy Silverado/GMC Sierra 2500HD/3500HD LML/L5P Duramax Diesel
*Due to the variances in lift kit manufacturing please verify the shock mounting and collapsed/extended lengths BEFORE ordering*
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*Contact us for lead times*
The FOX 2.5 Performance Series HTO shock is a bolt-on upgrade equipped with position-sensitive technology, vehicle-specific valving, and larger pistons to enhance both on-road and off-road performance. It features a Type II anodized aluminum body that effectively dissipates heat and resists corrosion. The 2.5-inch shock body incorporates an internal floating piston (IFP) to separate shock oil from high-pressure nitrogen, optimizing damping performance. The Hydraulic Top Out (HTO) technology provides position-sensitive rebound damping control, improving comfort and reducing harsh top-outs. This feature is particularly beneficial for vehicles with heavier, aggressive tires and aftermarket lift kits. Install the FOX 2.5 Performance Series HTO shocks to experience greater damping capacity and a smoother ride with enhanced rebound control.
Features:
- 2.5” impact-extruded 6061-T6 aluminum shock body
- Type II clear-anodized body plating for corrosion resistance
- High-flow velocity-sensitive damping
- 5/8” hard chrome shaft for durability
- Internal floating piston (IFP) for consistent performance
- Hydraulic Top Out (HTO) piston for smoother rebound
Notes:
- 4-6″ shocks are only for use with lift kits that alter OE mounts.
- Hardware is NOT included
| Front Shocks | ||
| Part # | Lift Height | Travel (Compressed – Extended) |
| 987-24-030 | 0-1″ | 13.07- 17.95 |
| 987-24-031 | 1.5″ – 3.5″ | 13.77 – 19.35 |
| 987-24-032 | 4-6″ | 15.07 – 21.85 |
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