Upgrade the suspension on your BOSS ADVENTURE 18 BOSS HARD TOP DUEL (All Build Dates) with the Lovells STANDARD HEIGHT EXTREME kit (Part No: LA-CTK044). This premium Australian-engineered upgrade delivers increased stability, safer towing performance, and long-lasting durability for extended touring. Designed, tested and manufactured by Lovells, trusted for 95 years in premium suspension systems across Australia’s toughest conditions.