At LowPricedAutoParts – the retailer of automotive parts and accessories that puts an emphasis on customer service – we provide this durable Enginetech exhaust valve (EM3507) for 1998-2000 Lexus models with 4.0L 1UZ-FE and 2001-2010 models with 4.3L 3UZ-FE V8 engines, including GS400, LS400, SC400, LX470, GS430, LS430, SC430, GX470 and Toyota equivalents like 4Runner, Land Cruiser, Sequoia, Tundra.
These refined UZ V8 engines deliver smooth, reliable power in luxury sedans, coupes and SUVs. A failing exhaust valve can lead to low compression, rough running or emissions problems – typical in older, high-mileage vehicles.
This single valve offers chrome-plated stem (0.2154" diameter) for minimal friction and longevity, 1.142" head diameter for precise sealing, 3.742" length, single groove and Stellite face for excellent high-temperature resistance.
Installation notes: Inspect guides/seats, lap for perfect contact, set lash properly, use new keepers/springs if needed and test compression/leakdown after reassembly. VIN check is crucial for fit.
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