Supertech GR Corolla Black Nitride Valves - Intake

Set of 6

Overview

Upgrade your Toyota GR Corolla G16E-GTS with this high-performance intake valve set from Supertech — engineered for enhanced strength, durability, and reduced internal friction.

Supertech is a well-known performance valvetrain manufacturer whose intake valves are built to handle higher loads, increased valve train stress, and demanding driving conditions compared with many OEM valves. Their precision forging, heat-treat hardening, and surface finishing processes result in strong, smooth-operating valves that stand up to spirited use or modified engines.

Key Features

• Direct Bolt-In Fitment: Designed specifically for the Toyota G16E-GTS engine found in the GR Corolla. 

• Set of 6 Valves: Complete intake valve set for all engine cylinders.

• Premium Material: Made from high-quality Stainless Steel (21-4N) for excellent strength, corrosion resistance, and durability.

• Black Nitride Hardening: Advanced black nitride surface treatment increases hardness and creates a smoother stem surface, reducing friction between valve stem and guide for better engine efficiency and longevity.

• Performance-Oriented Design: Precision-forged and CNC machined for consistent dimensions and reliable performance under high-rpm or tuned conditions.

Specifications

• Valve Type: Intake

• Head Diameter: 32.80mm (standard)

• Stem Diameter: 5.468mm

• Overall Length: 113.60mm

• Groove: Single groove for standard keeper compatibility