Super Alloy Engine valves represent the highest level of advancement in valve technology. These valves are designed to meet the extreme thermal demands of today's Nitro, Supercharged, Turbocharged and Marine engines Fits: VW VR6 3.2 / 3.6L - DOHC 24 VALVE 2004-2011 Dimensions: Head Diameter: 31.20mm Shaft Diameter: 5.96mm Overall Length : 136.48 mm Tip length: 4.6 mm Super Alloy Engine valves represent the highest level of valve technology advancement. These valves are designed to meet extreme heat requirements in today's Nitro powered, supercharged, turbocharged and offshore engines.Fits: VW VR6 3.2 / 3.6L - DOHC 24 VALVE 2004-2011Dimensions: Head diameter: 31.20 mmStem diameter: 5.96 mmOverall length: 136.48 mmTip length: 4.6 mm