The AFA Industries In-Frame Overhaul Kit is the perfect solution for keeping your engine running smoothly and efficiently. This kit includes all the necessary components to ensure proper compression and prevent leaks between the combustion chambers and coolant oil passages. It also includes covers for the cylinder head to prevent oil leaks from the top of the engine. Additionally, the kit ensures proper timing chain or belt lubrication and tensioning. FleetPride is your First Click in Heavy Duty®.