1UR-FE / 1UR-FSE Overhaul Gasket Kit for Toyota & Lexus
The Toyota 1UR-FE/FSE (4.6L V8) overhaul kit typically includes Multi-Layer Steel (MLS) head gaskets, crankshaft oil seals, valve stem seals, and a complete set of engine gaskets, designed to restore the engine to its original specifications of a 94mm bore and 83mm stroke.
Description
Common Kit Components (e.g., Partsology EK978A):
Seals: Complete gasket set (cylinder head gasket, valve cover gasket, intake/exhaust manifold gaskets, timing cover gasket).
Engine Components: Piston kit (including piston rings), main bearings, connecting rod bearings, and thrust washers.
Options: Typically offered in sales packages that include—or exclude—a timing kit and an oil pump.
1UR Engine Specifications and Kit Compatibility:
Engine Code: 1UR-FE (applicable to 2010–2021 Tundra/GX460 models) or 1UR-FSE.
Bore & Stroke: 94 mm x 83 mm (3.70 in x 3.27 in).
Compression Ratio: Typically 10.8:1.
Cylinder Head Gasket Design: Triple-layer steel composite structure with a fluororubber surface coating.
Bearing Sizes: Kits typically offer options in Standard (STD), +0.25 mm (.010 in), or +0.50 mm (.020 in) sizes.












