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Inspired by it's off-road racing predecessors, the new Factory Race Series bump stop combines race proven technology with new, cutting-edge features to provide increased damping performance and bottom out control in the last few inches of suspension travel. The threaded body allows you to adjust the mounting height to fine-tune when the bump stop engages during up travel, preventing harsh bottom outs.
Key Features
- 2in Travel Stroke: Provides extended bottoming protection matching aggressive suspension setups without limiting uptravel.
- Threaded Aluminum Body: 2.25in diameter body with M60x3 threads allows direct secure mounting to coilovers or custom shock bodies.
- IFP Technology: Internal floating piston keeps oil and high-pressure nitrogen separated for fade-free damping and reliable stroke after stroke.
- Race Series Construction: Machined from billet aluminum with high-flow piston for durability in extreme offroad conditions.
- Compact 6.88in extended length fits tight suspension geometries.
- Pair with FOX 2.5in or larger shocks for optimal performance in high-speed desert or rock crawling.
Fitment
| Fitment Basis | Universal by exact dimensions, mounting interface, position, travel, and intended suspension function |
|---|---|
| Required Verification | Confirm every dimension, mount, clearance, spring, reservoir, valving, and service requirement |
Specifications
| Brand | FOX |
|---|---|
| Manufacturer Part Number | 983-02-170 |
| Product Type | Bump Stops |
| Condition | New |
| Fitment State | Universal |
| Body Diameter | 2 |
| Bottom Mount Type | None |
| Compressed Length | 8.18 |
| Extended Length | 10.04 |
| Lifetime Warranty | No |
| Series | Factory Race |
| Shock Type | Bump Stop |
| Top Mount Type | Threaded Body |
| Travel Length | 1.85 |
What's Included
One new FOX product package identified by manufacturer part number 983-02-170. Only components expressly supplied for this exact part number are included.
About FOX
FOX develops performance suspension products for street, off-road, racing, and specialty vehicle applications. Correct selection remains exact-application and exact-part-number specific.
Related FOX Products
- Fox 07-18 Jeep JK 2.0 Factory Series 2in Travel Rear Gen2 Bump Stop IFP (Pair)
- Fox 18-Up Jeep JL / 20-Up Gladiator 2.0 Factory Series Gen2 2.0in. Trvl 10in Ext Front Bump Stop IFP
- Fox 07+ Jeep JK 2.0 Factory Series 2.55in. Front Bump Stop IFP (Pair)
Browse the FOX collection for related suspension and service components.
Frequently Asked Questions
Is FOX 983-02-170 tied to a specific vehicle?
No verified YMM is assigned. Match the dimensions, mounts, position, travel, spring or reservoir configuration, valving, and intended function before ordering.
Does FOX 983-02-170 change ride height or require supporting parts?
That depends on the exact application and configuration. Confirm the stated lift range, spring requirements, upper control arms, brackets, reservoirs, steering parts, alignment needs, and wheel and tire clearance before installation.
What is included with FOX 983-02-170?
The package includes only the components supplied by FOX for this exact part number. Springs, reservoirs, brackets, clamps, hardware, companion shocks, service fluid, and installation tools are separate unless expressly listed.
Installation Instructions
Follow the current FOX instructions and vehicle service information for this exact part number. Support the vehicle safely, use the specified tools and torque values, inspect all mounts and hardware, verify brake-line, steering, driveline, reservoir, wheel, and tire clearance, settle the suspension, and complete an alignment whenever geometry or ride height changes. Professional installation is recommended.
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