Supertech Performance GDE-T20V-E Exhaust Valve Guide Toyota 4AGE 20V 5mm Stem Manganese Bronze

The Supertech Performance GDE-T20V-E is a precision-machined exhaust valve guide designed specifically for Toyota 4AGE 20V engines, including those found in the Corolla FX16, FX16 GTS, and Sprinter models. Manufactured from high-quality manganese bronze material, this valve guide provides superior wear resistance and heat dissipation for demanding performance applications.

Key Features:

• 5mm stem diameter for proper valve clearance
• Precision-machined manganese bronze construction
• Designed for optimal performance with Supertech low-friction black nitride valves
• Interference fit in cylinder head approximately 0.04mm (0.0015")
• Inner bore requires honing after installation for precise fitment

Supertech valve guides are engineered to deliver the best solution for both performance and durability in racing applications including drag racing, rally, road racing, and other motorsports. When combined with low-friction nitrated valves, these guides provide exceptional reliability under extreme operating conditions.

Application: Toyota 4AGE 20V engines (exhaust position)