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8,000 lb Trailer Axles, 6-Leaf, 29.5" Free Length, 2" Width Slipper Spring


Regular price $78.99 USD
kit

Care information

To ensure optimal performance and extend the service life of your new trailer components, please follow these care guidelines after purchase:

  • Before installation, check all parts for shipping damage or missing components. Do not install damaged parts.
  • Always use correct tools and torque settings. Improper installation can lead to premature wear or failure.
  • For bearings, suspensions, and brake components, apply high-quality trailer grease before first use if not pre-greased.
  • Some parts (like brake assemblies) require a short break-in period to achieve full performance. Follow manufacturer instructions for best results.
  • Recheck fasteners, grease levels, and moving components after 100 miles of towing, then at regular intervals.
  • After exposure to water, road salt, or mud, clean and dry parts thoroughly. Apply anti-rust treatment if needed.
  • If storing unused parts, keep them in a dry, sealed container away from moisture and direct sunlight.

Delivery and Shipping

Handling Time: Orders ship out within 1 business day after payment is received.

Shipping Methods: We use trusted carriers like UPS, FedEx, or USPS based on package size and destination.

Delivery Time: Estimated delivery within 2–6 business days (U.S. domestic orders).

Tracking: A tracking number will be provided once your order is dispatched.

Product Overview:

Upgrade your trailer's suspension with this heavy duty 6-leaf slipper spring, engineered specifically for 8,000 lb axle systems. Each spring is rated at 4,000 lbs, delivering dependable load support and stable performance for demanding hauling applications. This product is available as a single spring, o as a matched pair, allowing you to replace one side or upgrade both at the same time. 

Constructed from premium manganese steel, these springs are built for strength, durability, and long service life under heavy loads. The 29.5" in free length, 2" width, and 9/16" eye diameter provide a standard fir for many 8,000 lb trailer axles, while pre-installed nylon bushings ensure smooth operation, reduced noise, and easier installation. 

Designed to minimize vibration, reduce trailer sway, and maintain proper axle alignment, these slipper springs help improve overall towing stability and ride quality, even when fully loaded, Ideal for utility trailers, flatbeds, equipment haulers, and other heavy duty trailer applications, this spring set offers a reliable suspension upgrade for both professional fleets and DIY repairs.

Specifications (as single leaf spring): 

Spring type: Slipper/Hook end
Spring capacity: 4,000 lbs 
Axle capacity: 8,000 lbs
Number of leaves: 6
Length from center of spring eye to end of spring (unloaded): 29.5"
Spring width: 2"
Eye diameter with bushing: 9/16"

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