1GR-FE Engine Overhaul & Rebuild Kit — Fits 2003–2009 Toyota Tacoma & 4Runner (1GR-FE 4.0L)
The Toyota 1GR-FE (4.0L V6) engine overhaul kit contains all the components required to thoroughly refurbish the engine. Its specifications include: a standard bore of 94.00 mm; and piston ring dimensions of 1.20 mm (top ring), 1.20 mm (second ring), and 2.00 mm (oil ring). Additionally, the kit includes MLS gaskets and timing system components.
Description
Core Components
A standard engine overhaul kit or comprehensive refurbishment package typically includes the following components:
Gaskets and Seals: Multi-Layer Steel (MLS) cylinder head gaskets, valve cover gaskets, intake/exhaust manifold gaskets, and valve stem seals.
Pistons and Rings: High-eutectic alloy dished pistons (with coated skirts), piston rings, piston pins, and circlips.
Bearings: Main bearings, connecting rod bearings, and thrust washers.
Timing System: Primary and secondary timing chains, tensioners, guide rails, and camshaft or crankshaft sprockets.
Hard Parts: Including engine valves (intake/exhaust); depending on the specific kit configuration, replacement water pumps, crankshafts, and oil pumps may also be included.
