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Enhance your heavy-duty vehicle's suspension with advanced rubber technology.
The Timbren Helper Spring Kit is designed to improve the suspension performance of heavy-duty vehicles, specifically tailored for Peterbilt 338/357/359 series chassis equipped with leaf springs. This kit features hollow rubber springs that provide a progressive spring rate, effectively preventing rear end sag and stabilizing loads under varying weight conditions. Each component is crafted from laser cut steel, precision bent, and powder-coated to ensure durability and a perfect fit.
With a load capacity of 20,000 pounds per set, this suspension upgrade is engineered to eliminate vehicle squatting and sagging, while also cushioning road shocks for a smoother ride. The kit includes all necessary brackets and hardware for installation, making it a straightforward enhancement to your vehicle's suspension system. The black rubber material is designed to withstand harsh conditions, ensuring long-lasting performance and reliability.
Features
- Eliminate Vehicle Squatting And Sagging
- Cushion Road Shocks
- Improves Handling
Specifications
- Manufacturer: Timbren
- Manufacturer Part Number: PF357
- Type: Jounce Spring
- Load Capacity: 20000 Pound
- With Air Compressor: No
- Color: Black
- Quantity: Set Of 2
- Pressure Range: Not Applicable
- Material: Rubber
- Mounting Type: Frame Mount
- With Bellows: No
- With Air Line: No
- With Roll Plate: Yes
- With Valve: No
- Remote Type: Not Applicable
- With Mounting Hardware: Yes
- Estimated Install Time (Hours): 1
Technical Documents
Product Videos
Shipping & Returns
- This product ships within the continental USA only.
- This product typically ships within 1 to 3 business days.
- Returns are accepted within 30 days for items in like-new condition. For complete details, please see our return policy.
