This is our high performance Supertech branded valve springs and valve retainer pack for Volkswagen Golf 3 Corrado Passat VR6 12v 2.8L 2.9L aaa abv including Syncro
It is a double spring assembly, 1 inside and 1 outside which allows to have increased response times on the moving assembly of the cylinder head. This assembly is of course compatible with the standard assembly, the springs and cups are mounted instead of the simple original valve springs, no modification is necessary and in no way interferes with the operation of the engine.
The springs and cups are made of titanium, which is currently the best process for obtaining optimized performance at very high temperatures and very high engine speeds.
Characteristics :
Outer spring
- - Number of external springs: 12
- - Spring diameter (external): 30.45mm
- - Spring diameter (inner): 23.20mm
- - Diameter of the turns: 3.62mm
- - Spring length (free): 41.25mm
- - Spring length (locked): 17.50mm
- - Stiffness: -0.00kg/mm
- - Material: Titanium
inner spring
- - Number of inner springs: 12
- - Spring diameter (external): 21.90mm
- - Spring diameter (inner): 16.50mm
- - Diameter of the turns: 2.70mm
- - Spring length (free): 35.40mm
- - Spring length (locked): 14.50mm
- - Stiffness: -0.00kg/mm
- - Material: Titanium
Cups
- - Number of shock cups: 12
- - Diameter of the cup (outside) 1: 28.40mm
- - Diameter of the cup (outside) 2: 23.05mm
- - Diameter of the cup (outside) 3: 16.80mm
- - Cup cone diameter (exterior) 1: 10.50mm
- - Cup cone diameter (inside) 2: 8.70mm
- - Thickness of the cup (total): 8.20mm
- - Thickness of cup 1: 2.90mm
- - Thickness of cup 2: 1.90mm
- - Thickness of cup 3: 3.40mm
- - Material: Titanium
