Powerflex Universal Polyurethane Bump Stops - BS003
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BS003 Powerflex Road Bump Stop, UniversalFree delivery in 1–3 days£32.28Visit shop →
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Demon TweeksPowerflex Universal Bump Stops - BS003 - 61 x 39 x 13mm
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Product Information
Full details
The Powerflex Universal Polyurethane Bump Stops (BS003) are designed for car enthusiasts with lowered suspension setups. They provide a crucial stopping point at the end of shock absorber travel, preventing the suspension system from fully bottoming out and enhancing handling when springs are near their limit. While universally designed, careful attention to the sizing chart is recommended for optimal fitment.
All features
| Model Part Number | BS003 |
|---|---|
| Brand | Powerflex |
Extended Product Information
FAQs
What is a bump stop and why do I need one?
A bump stop is a safety component in your suspension system. It prevents the shock absorber from reaching its maximum compression limit (bottoming out), protecting suspension components and providing a smoother end to the suspension's travel.
How do I know if the BS003 is the right size for my car?
You need to measure your shock absorber's piston rod diameter and compare it to the bore size (13mm for BS003). Also, check the overall diameter (39mm) and height (60mm) against the available space on your shock absorber. Refer to the provided sizing chart for other models.
Can I use these on a stock suspension height?
While designed for lowered suspensions, they can be used on stock setups if the dimensions are appropriate and they provide the desired effect. However, they are most beneficial when suspension travel is reduced.
What material are the Powerflex Bump Stops made from?
They are made from a tough, durable Polyurethane compound.
Are these a direct replacement for all car models?
No, these are universal bump stops. While they are designed to fit a wide range of applications, precise fitment depends on your specific shock absorber dimensions. Always verify compatibility.
How do I clean my Powerflex Bump Stops?
Clean them using a damp cloth. Avoid using harsh chemicals or solvents, as these can damage the polyurethane material.
What is the main benefit of using polyurethane bump stops over rubber ones?
Polyurethane generally offers greater durability, resistance to abrasion and degradation from environmental factors, and can be formulated to provide a more consistent performance characteristic compared to rubber.
Troubleshooting
Bump stop does not fit piston rod.
The bore size (13mm for BS003) may not match your piston rod. Check the sizing chart for alternatives or consider a universal fitting method if applicable.
Bump stop feels too hard or too soft.
Polyurethane offers a specific durometer. If the firmness is not as expected, ensure it's the correct application for your suspension's stiffness and travel.
Bump stop is difficult to slide on.
Ensure the piston rod is clean and free of debris. A small amount of silicone lubricant can aid installation if necessary, but avoid petroleum-based lubricants which can degrade polyurethane.
Pros and Cons
Pros
- Prevents costly damage from bottoming out.
- Contributes to a more stable and predictable driving experience.
- Made with durable materials for longevity.
- Offers a solution for custom or modified suspension setups.
- Designed to complement lowered vehicles.
Cons
- Requires careful measurement to ensure correct fitment.
- Universality means some customization might be needed for perfect integration.
- Not a direct replacement for specialized OEM bump stops without verification.
Setup, Compatibility & Care
Setup:
- Verify Fitment: Before installation, measure your shock absorber's piston rod diameter and the available space for the bump stop. Compare these measurements to the BS003 specifications (39mm diameter, 60mm height, 13mm bore) and the provided sizing chart.
- Installation: The bump stop typically slides onto the shock absorber's piston rod. Ensure it is seated correctly and securely.
Compatibility:
- These are universal bump stops. They are designed to fit most standard shock absorbers and piston rods with a 13mm bore. Always confirm compatibility with your specific vehicle's suspension components.
- Ideal for use with lowered suspension setups where original bump stops may be insufficient.
Care:
- Clean with a damp cloth; avoid abrasive cleaners or solvents.
- Periodically inspect for signs of wear or damage.
- Polyurethane is resistant to most automotive fluids, but prolonged exposure to extreme chemicals should be avoided.