Turning Point Hub Kit: 507FeaturesLifetime WarrantyNever buy another hub kit system againInner splines adapt to the engineOuter hub compatible with different propsReduce gear shock & engine/drive damageSave up to 30% when purchasing a replacement propEliminate propeller vibration & chatterEliminate hub cracking & failureCorrosion resistant materials - brass splinesReduce gear shock & engine/drive damageCompatible with Michigan Wheel® XHS® and Mercury® Flo Torq® hub kits, but greatly increases ease of installation, durability, and shock absorption value.Also adapts to all Michigan Wheel® and Mercury® interchangeable propellersWARNING: This product can expose you to chemicals including LEAD which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to >P65Warnings.ca.gov.