Update your vehicle to be Ready for the Road Ahead™ with the AFA Industries In-Frame Overhaul Kit with Valve Cover Gasket for Detroit Diesel, a heavy duty engine repair kit that provides optimal performance and reliability. Due to its reinforced rib construction around crack-prone areas, this engine repair kit is the ideal choice for long-term reliability and durability. Each cylinder head is fashioned with OEM specs to ensure smooth operation for extended periods of time. FleetPride is your First Click in Heavy Duty®.