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Hayman Reese Weight Distribution Kits are the tried and tested system for your tough towing needs. The 800lb (365kg) rated Heavy Duty system relies on heavier gauge spring bars to handle heavier caravans and trailers. As the name implies the Heavy Duty system is designed to work with caravans that have a ball weight between 275kg and 365kg.
The spring bar length is measured from the centre of the coupling. Select the best length that allows the chain brackets to be mounted on the A-frame to avoid other fixtures.