ARK 900kg Galvanised 4 Leaf Slipper Spring with 1/2″ Nylon Bush – 45x6mm (SKU: SS413G)

The ARK Galvanised 4 Leaf Slipper Spring (SKU: SS413G) is engineered to deliver dependable suspension performance for light to medium-duty trailers. With its corrosion-resistant galvanised finish, this slipper spring is ideal for use in marine or high-moisture environments, offering long-lasting durability even in tough outdoor conditions.

Key Features:

• 900kg load capacity per pair – suitable for small to medium trailers, jet ski trailers, box trailers, and garden trailers.
• 4-leaf configuration (45mm x 6mm steel) – designed to provide controlled flex with consistent load handling.
• Integrated 1/2″ nylon eye bush – minimises friction and absorbs shock for smoother towing.
• Galvanised coating – resists rust and salt exposure, making it perfect for coastal or boat trailer applications.
• Standard slipper tail design – easy to install and maintain using common trailer rear hanger configurations.

Dimensions & Fit:

• Width: 45mm
• Thickness: 6mm
• Eye bush: 1/2″ nylon insert (pre-installed)
• Leaf count: 4

This spring is sold per side (single unit). For axle setups, make sure to order two springs. It fits most standard slipper spring hanger kits designed for 45mm-wide springs and is commonly used across a wide range of light-duty Australian trailers.

Installation Notes:

• Ensure the slipper end glides smoothly into the rear hanger bracket to prevent binding during operation.
• Replace old bolts and ensure the bush is aligned during installation for optimal lifespan.
• Periodically check for spring fatigue or corrosion if used in marine environments.

Why ARK?

ARK is a trusted name in trailer parts across Australia. Their suspension components are widely respected for quality, reliability, and suitability to local terrain. Whether you’re towing for work or play, this slipper spring ensures your trailer stays stable, secure, and road-ready.