Supertech Black Nitride Intake Valves - +1mm Oversize - Set of 4 | Multiple Volkswagen Fitments (VWIVN-1017-4)

Volkswagen 1.8L Black Nitride Intake Valves by Supertech

Supertech intake valves are made exclusively from an enhanced versions of EV8 (21-4N) steel. This is the highest grade of steel available and provides the strength to withstand just about any application.

Features

• Head Diam: 41.00mm(+1.0)
• Material: Stainless Steel 21-4N
• Groove Type: Triple Groove
• Length: 91.60mm
• Stem Diam: 6.97mm
• Back-cut angle
• Undercut stem
• One piece forged valve (non-magnetic)
• Magnetic friction welded wafer, Hardened to 52 HRC min
• Black Nitride for superior hardness keeping core ductility
• “Superfinish” valve stem with a surface roughness of about 1/3 of a regular valve

Benefits

• Less Friction
• Better Flow Rates
• Better Sealing
• Improves durability and reduces carbon build up

Applications

• 1998-2003 Volkswagen Beetle
• 1985-2003 Volkswagen Golf
• 1985-2003 Volkswagen Jetta
• 1985-2003 Volkswagen Passat

What's In The Box?

• 4 - Intake Valve

Warranty

• Due to the nature of the application, these parts are sold without any express warranty or any implied warranty of merchantability, or fitness for a particular purpose.