Tomei Valve Guides for 4G63 Evo/ DSM (TA309A-MT01A) CALIFORNIA • Full kit weighs 13

• Full kit weighs 13

• Factory o2 sensor location

no additional remote needed

ensuring superior quality

Tomei Valve Guides for 4G63 Evo/ DSM (TA309A-MT01A) CALIFORNIA • Full kit weighs 13Tomei valve guides for the Evo and DSM are designed to handle the high horsepower and RPMs of the 4G63 engine. We use Phosphor Bronze (Cn Sn P alloy) for its high tensile strength and superior heat transfer, essential for high power, high RPM engines. Modern race engines demand more power and higher RPMs, leading to extreme heat conditions that accelerate valve train component wear. Phosphor Bronze offers low friction and optimal clearances, reducing