Tough Dog Coil RR BYD Shark 6 Constant 300kg 40mm
Tough Dog coil springs are designed and manufactured in Australia from German X5K spring steel — a lighter, tougher coil that holds its height even after years of heavy loading.
Key Features
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X5K spring steel — superior ride quality and load carrying with less material
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Shot peened, scragged and load tested for maximum durability
- Hot formed on precision mandrels to retain spring memory
- Multiple heights and load ratings available for most applications
Fitment
SKU: TDC1144. Match spring rate to your accessories and load — ask our team.
Professional Fitting Available
Rival 4x4 Australia supplies and fits the full Tough Dog range from our Brisbane workshop at 21 Moss Street, Slacks Creek QLD 4127. Not local? We deliver Australia-wide with tracked shipping.
Warranty
Manufacturer warranty. Genuine Tough Dog product with full Australian warranty backing.
About Tough Dog
Tough Dog Suspension has been making tracks across the world since 1984. Designed and engineered by 4Way Suspension in Sydney, Tough Dog gear is proven in over 55 countries — from Australian outback corrugations to international off-road competition, including a decade-plus as major sponsor of the Tuff Truck Challenge.
