Supertech Performance SEVI-1014-8 Inconel Exhaust Valves +1mm Oversize Subaru EJ20/EJ25

Supertech Performance SEVI-1014-8 exhaust valves are engineered for high-performance Subaru EJ20 and EJ25 engines. These oversized exhaust valves feature premium Inconel construction for superior heat resistance and durability in demanding motorsport applications.

Key Specifications:

• Head Diameter: 33.00mm (+1.0mm oversize)
• Stem Diameter: 5.96mm
• Valve Length: 104.7mm (standard length)
• Material: Inconel alloy for exceptional heat resistance
• Valve Type: Exhaust

Performance Benefits:

• +1mm oversize head diameter improves exhaust flow and engine breathing
• Inconel construction withstands extreme exhaust temperatures
• Precision-manufactured for racing and high-performance street applications
• Direct replacement for Subaru EJ205, EJ255, and EJ257 engines

Supertech Performance specializes in premium valve train components for drag racing, rally, road racing, and other motorsport applications. These exhaust valves are ideal for engine rebuilds where increased performance and durability are required.