AMS Alpha Performance R35 GTR Transmission Overflow Tank *DISCONTINUED* GT-Series (12) Custom Age 625+ Studs

(12) Custom Age 625+ Studs

Updated in January 2026

• Hook & Loop fastening system for easy installation

Fits all 2015-2021 Subaru WRX and STi models

(1) 8571A018 OEM Evo X Joint Cover

AMS Alpha Performance R35 GTR Transmission Overflow Tank *DISCONTINUED* GT-Series (12) Custom Age 625+ StudsThe AMS Alpha Performance R35 GTR Transmission Overflow Tank Kit solves a common issue when pulling high Gs. Your transmission fluid at the stock level will rush to the back of the pan allowing the pickup to suck in air causing the transmission to miss shifts and you to lose a race. Because of this, it is recommended to overfill your transmission fluid, which leads to issues when the fluid heats up to expand and spill onto the track. This is why an