SUPERTECH Black Nitride Intake Valve [Head Diameter 32.80mm | Material Stainless Steel 21-4N | Groove Type Single | Length 113.60mm | Stem Diameter 5.468mm] (TOYOTA G16E-GR) : COLORADOSPEED - LATE MODEL DOMESTIC (AMERICAN MUSCLE) | IMPORT (EUROPEAN | SPORT COMPACT) AUTOMOTIVE PERFORMANCE PARTS