Club Car Precedent Rear Leaf Spring Kit Heavy Duty, Dual Action Rear Spring Kit for Club Car Precedent Golf Carts. Kits contain 2 leaf springs and 2 bushing kits. Innovative leaf spring design is perfect for carts with a seat kit or cargo box. Standard duty leaf provides a comfortable, factory-style ride with 2 passengers, while the heavy duty helper leaf kicks in when needed to handle cargo or extra passengers.