Supertech black nitride intake valves for Lamborghini Gallardo. These valves are the standard size to match your head diameter. Sold as a set of 20 or individually as needed. Please do all your research and consult your engine builder if necessary! Black nitride valves are made from one piece forged stainless steel then go through a special hardening process to lessen the friction between the valve and guide.
Vehicle Fitment:
Lamborghini Gallardo 10 Cylinder 5.2L
• Must use single groove keeper part# KPR-6S/7 (2 per valve)
• LP550-2 Spyder
• LP550-2 Valentino Balboni
• LP560-4
• LP560-4 Spyder
• LP570-4 Performante Spyder
• LP570-4 Super Trofeo Stradale
• LP570-4 Superleggera
Notes:
• Fits intake ONLY
• Must use single groove keeper part# KPR-6S/7 (2 per valve)
| Fitment: | Size: | Includes: | Part Numbers: |
| Intake | Standard 33.85mm • Stem Diameter 5.98mm • Length 103.90mm |
20 Valves | VWIVN-1002S-20 |
| 1 Valve | VWIVN-1002S-1 |
The “Black Nitride” is a hardening treatment that is applied to the whole valve whereas the chrome coating is only applied to the stem. The microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer. Microhardness is 800HV minimum.
The Black Nitride surface finish is smoother than with chromed stems, having less friction between stem and guide. The higher the engine speed the bigger the power loss due to internal engine friction! The Black Nitride reduces this power loss due to less valve-guide friction.
Images are for reference.
| Select: | Intake 33.85mm (Set of 20) (VWIVN-1002S-20), Intake 33.85mm (1 Single) (VWIVN-1002S-1) |
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