Top Rated IAG Performance 1st – 6th Carbon Synchro Set 2008-2021 STI

Description

Upgrade your 2008-2021 Subaru WRX STI’s 6-speed transmission with the IAG Performance 1st – 6th Carbon Synchro Set. This premium synchro kit is engineered to provide smoother, more precise gear shifts and enhanced durability, making it an essential upgrade for rebuilds or high-performance builds. Designed to tackle worn synchros and aggressive driving, it extends your transmission’s lifespan while improving overall shift quality.

Each synchro sleeve features a dual carbon-friction surface combined with precision-machined Japanese brass construction, maximizing gear-to-synchro contact for reduced shift effort and a more responsive driving experience. Covering all six gears, this complete set eliminates the need to source individual OEM parts, simplifying your transmission upgrade.

Ideal for Subaru enthusiasts focused on reliability and performance, the IAG Carbon Synchro Set ensures consistent, smooth shifting under demanding conditions. Trust Subimods for quality Subaru drivetrain parts and keep your STI running at its best. Shop now to enhance your transmission’s durability and driving feel.