Intake & Exhaust Engine Valves Kit Fits for Toyota 4Runner Sequoia Land Cruiser 2003-2009, for Lexus GS400 GS430 LS400 LS430 4.0 4.3 4.7L 1998-2010

Specification: Type: Intake & Exhaust Valves Fitment Type: Direct Replacement Placement on Vehicle: Front Number of Pieces: 32(16 Intake+ 16 Exhaust) Part Number: IV1759-16 + EV1759-16 Manufacturer Part Number: IV971 EV971, 13273, 13274 for 1998-2010 TOYOTA, LEXUS & LANDCRUISER 4.0 1UZFE V8 DOHC 32V 4.3 3UZFE V8 DOHC 32V 4.7 2UZFE V8 DOHC 32V Fits Models: for TOYOTA 4 RUNNER LAND CRUISER, SEQUOIA, TUNDRA 2003-2009; for LEXUS GS400, GS430, GX470, LS400, LS430, LX470, SC400, SC430 1998-2010. Instructions Note: If you do not have a service manual, please consult a professional mechanic prior to installing this kit. Package Included: 16 x Intake Valves 16 x Exhaust Valves

• OE/OEM Part Number: IV971, EV971, 13273, 13274, IV1759, EV1759.
• Fitment: This Intake Exhaust Valves fits for for TOYOTA 4 RUNNER LAND CRUISER, SEQUOIA, TUNDRA 2003-2009; for LEXUS GS400, GS430, GX470, LS400, LS430, LX470, SC400, SC430 1998-2010.
• Improving Engine Performance: The replace exhaust intake valve kit can optimize the opening and closing processes of valves, thereby improving combustion efficiency, increasing exhaust and intake flow rates, and ultimately improving engine power and performance.
• Functions: The main function of an engine valves is to open and close rapidly. This allows the air and fuel charge to enter the combustion chamber and after ignition, the exhaust valve allows the waste gases to flow out into the exhaust system.
• Package Included: 16 x Intake Valves ; 16 x Exhaust Valves, Professional installation is strongly recommended.