Product Details: The Firestone 8.25" Sleeve Style Cab Air Spring the perfect solution for heavy duty towing and hauling. This air spring is designed to provide increased capacity and stability while also helping to prolong the life of other suspension parts. With its extended height, this air spring will offer the support you need. Pressure testing ensures quality and reliability, ensuring little to no maintenance is necessary. FleetPride is your First Click in Heavy Duty®.