Manley Valve Spring and Retainer Kit w/o Valve Locks (16 each) .490in Subaru WRX 02-14 / STI 04-21 | 26185 Air Filters - Drop In Accurate air/fuel ratio monitoring is

Accurate air/fuel ratio monitoring is essential for performance tuning and engine reliability

Includes all necessary hardware and hangers

Bearing Material Chrome Plated High Strength Steel

Includes genuine Bosch 82mm throttle body – 36% larger bore than stock

Fully programmable warning function and peak memory

Manley Valve Spring and Retainer Kit w/o Valve Locks (16 each) .490in Subaru WRX 02-14 / STI 04-21 | 26185 Air Filters - Drop In Accurate air/fuel ratio monitoring isProduct Fitment: 2004 2021 Subaru STI 2002 2014 Subaru WRX Enhance your Subaru WRX or STI's valvetrain with the Manley Performance Valve Spring & Retainer Kit (Part #26185). Designed for high performance applications, this kit includes 16 precision engineered valve springs and matching retainers, ensuring optimal performance and reliability. Key Features: Precision Engineering: Manufactured to exacting tolerances, ensuring a precise fit and optimal