GSC POWER-DIVISION Super Alloy Exhaust Valves [HEAD DIAMETER 32.0MM | TOTAL LENGTH 117.1MM | STEM DIAMETER 5.46MM] (TOYOTA G16E-GTS 1.6T I3) : COLORADOSPEED - LATE MODEL DOMESTIC (AMERICAN MUSCLE) | IMPORT (EUROPEAN | SPORT COMPACT) AUTOMOTIVE PERFORMANCE PARTS