Tackling a major engine repair like a head gasket replacement on your classic Toyota truck or SUV? This HGS939 gasket set is your complete solution for the 2.4L (22R-E) or 2.7L (3RZ-FE) 4-cylinder engines. It's a full cylinder head gasket set, meaning it includes not just the main head gasket, but all the other necessary seals and gaskets for the top end of the engine – like valve cover gaskets, intake/exhaust manifold gaskets, and various seals. It fits a range of vehicles including the 1994-1998 Toyota T100, 1995-2004 Toyota Tacoma, and 1996-2000 Toyota 4Runner with those engines. It's designed as a direct replacement for a bunch of OEM and aftermarket part numbers like AHS8050, 09-11652, HS9465PT, and VG1570. Made from quality materials to resist heat, pressure, and corrosion, it's crucial for a proper, leak-free rebuild. Before ordering, it's super important to confirm your engine size and cross-reference your old gasket part numbers to ensure compatibility. This complete set saves you from buying pieces individually and is essential for any serious engine overhaul on these reliable Toyota workhorses.