1992-1995 BMW E36 M3 (Euro Version) 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: 34mm (std)
- Material: Stainless Steel 21-4N
- Groove Type: Triple Groove
- Length: 119.75mm
- Stem Diam: 6.97mm
- Magnetic friction welded wafer, Hardened to 52 HRC min
- One piece forged valve (non-magnetic)
- Black Nitride for superior hardness keeping core ductility
- Back-cut angle
- “Superfinish” valve stem with a surface roughness of about 1/3 of a regular valve
- Undercut stem
Benefits
- Improves durability and reduces carbon build up
- Less Friction
- Better Flow Rates
- Better Sealing
