Exhaust / Intake Valve Kit 1997-2009 Lexus, Toyota 4.0L-4.7L

DNJ Engine Exhaust / Intake Valve Kit

Includes: Exhaust Valve x16, Intake Valve x16.

Engine Details: Nitride-coated, 1 Groove, 29mm Head Dia., 5.5mm Stem Dia., 95.1mm O.A.L., Exhaust; 34.6mm Head Dia., 95.3mm O.A.L., Intake.

Buyer's Guide: [1990-2010] LEXUS, TOYOTA / V8 / 4.0L, 4.3L, 4.7L / 285 DOHC 32V [(1UZFE, 2UZFE, 3UZFE)]

Part Warranty: 12-month or 12,000-mile warranty, whichever comes first. Warranty must be requested by the original purchaser and is limited to the replacement of the alleged defective part(s) only.

1997-2010 Toyota & Lexus 4.0L, 4.3L, 4.7L V8 Exhaust & Intake Valve Kits

The VK32971 Exhaust/Intake Valve Kit is an essential valvetrain component for maintaining the performance, efficiency, and long-term reliability of select Toyota and Lexus V8-powered vehicles, including the 1997-2000 Lexus LS400, 1998-2000 Lexus GS400, 2001-2007 Lexus GS430, 1998-2007 Lexus LX470, 2003-2009 Lexus GX470, 1997-2000 Lexus SC400, 2001-2010 Lexus SC430, 1998-2007 Toyota Land Cruiser, 2003-2009 Toyota 4Runner, 2001-2009 Toyota Sequoia, and 2000-2009 Toyota Tundra. Designed for the legendary 4.0L V8 3969cc 32V DOHC, 4.3L V8 4293cc 32V DOHC, and 4.7L V8 285cid 32V DOHC engines, this valve kit helps ensure precise airflow into the combustion chamber and efficient exhaust gas evacuation for smooth power delivery and optimal engine operation. These renowned Toyota and Lexus V8 engines earned a reputation for durability and refinement, powering everything from luxury sedans like the LS400 and SC430 to rugged SUVs and trucks such as the Land Cruiser, GX470, 4Runner, Sequoia, and Tundra. Proper maintenance of the intake and exhaust valves is critical because worn or failing intake valves can lead to rough idle, loss of power, poor fuel economy, engine misfires, hard starting, reduced compression, and increased emissions. Replacing worn valvetrain components with a quality valve kit helps restore engine performance and prevent costly internal engine damage. At Partsology, you'll find premium OEM-quality engine components like the VK32971 Exhaust/Intake Valve Kit at amazing prices, making it easier and more affordable to keep your Toyota or Lexus V8 running strong for years to come.