Supertech valves are forged from a single piece of stainless steel for maximum strength and durability. Each valve undergoes a specialized heat treatment process calibrated for the specific engine application. This set features a black nitrided finish — the most popular choice for European and Japanese performance motors — and is sized +1mm oversize for use with performance valve seat work.

Specifications

• Material: One-piece forged stainless steel
• Finish: Black nitrided
• Head Diameter: 37mm
• Stem Diameter: 5.96mm
• Overall Length: 103.85mm
• Size: +1mm oversize
• Sold as a set

Fitment

Subaru EJ20 / EJ25 — Intake valves

Part Number

SIVN-1014-2-8

Prop 65 Warning

⚠️ WARNING: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.