Supertech Triple Groove Intake & Exhaust Valves for 1997-2003 Audi A3 1.8T 20v AEB Turbocharged Engines

Supertech Triple Groove Intake & Exhaust Valves for 1997-2003 Audi A3 1.8T 20v AEB Turbocharged Engines

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Supertech Triple Groove Intake & Exhaust Valves for 1997-2003 Audi A3 1.8T 20v AEB Turbocharged Engines

Intake Valves

AIVN-1103
Head Diam: 26.90mm (STD)
Stem Diam: 5.96mm
Length: 105.10mm
Material: Black Nitride
Groove Type: Triple Groove
Valve Type: Intake

Exhaust Valves

AEVN-1103
Head Diam: 29.90mm (STD)
Stem Diam: 5.94mm
Length: 103.90mm
Material: Black Nitride
Groove Type: Triple Groove
Valve Type: Exhaust

AEVI-1103
Head Diam: 29.90mm (STD)
Stem Diam: 5.94mm
Length: 103.90mm
Material: Inconel
Groove Type: Triple Groove
Valve Type: Exhaust

*Complete Set of 12 Intake & 8 Exhaust Valves*

Our stainless steel intake valves are manufactured from an enhanced version of EV8 (21-4N) steel. We have chosen this material specifically because it’s the highest grade of steel available and provides the strength to withstand just about any application. Our exhaust valves are made from EV16 (21-8N) or EV8-Nb/w for even greater strength at higher temperatures. Our stainless steel valves are one piece forged valves, and depending on the application feature hardened tips, hardened seats, swirl polish, undercut, and our black nitride coating. Our black nitride coated valves feature a harder surface area and a smoother finish, providing less friction and subsequently longer life.

Supertech manufactures a variety of high performance Inconel valves for many applications. These valves are manufactured from a Nickel base super alloy material (Inconel 751 or Nimonic 80A) this material is chosen because it is designed to withstand very high temperatures. These valves feature a one-piece forging, hardened tip, and our “superfinish” stem. Our Inconel valves are extremely popular choice for turbo and supercharged applications.