Roadmaster 1139-140 Stabilizer Bar
Roadmaster 1139-140 Stabilizer Bar
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Roadmaster 1139-140
Roadmaster Suspension Solutions (RSS) currently manufactures more than 150 different anti-sway bars for large vehicles such as pickup trucks, vans and SUVs, and on up to full-size motorhomes. Whether you’re driving a Ford F350 or a 40-Foot Class A motorhome, we make an anti-sway bar for you. Each RSS anti-sway bar is designed as a custom fit, for a specific chassis. Our products are made with the finest materials available to provide you with a safe and stable ride.
Features & Benefits
- Stabilize the vehicle, which keeps it level through crosswinds, as well as dramatically improving overall handling
- Have a thicker diameter than stock bars. Built to offer significantly more resistance to sway than stock bars
- Made of cadmium plated 4140 chrome moly steel for more stiffness
- The most stringent testing in the industry
- Designed and manufactured to the highest quality standards
- Limited 1 year warranty
Specifications
| Color | Chrome |
| Weight | 54 lb |
| Dimensions | 51 x 20 x 5 in |
| Brand | Roadmaster |
| Manufacturer Part Number | 1139-140 |
Frequently Asked Questions
What color is this auto part?
This is the Chrome variant from Roadmaster.
What are the key construction details?
Roadmaster features made of cadmium plated 4140 chrome moly steel for more stiffness. See Features & Benefits and Specifications for the full list.
How much does this product weigh?
This item weighs approximately 54 lb.
Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.

