FCP

Outer diameter - 32.97mm
Inner diameter - 31.00mm
Outer height - 26.50mm
Stem length - 13.90mm
Stud diameter - 7.00mm
24 pcs. FCP Engineering racing mechanical solid lifters
Forged steel, nitride hardened surface, HRC 50
Installed follower height to camshaft must be adjusted with lash caps (not included)

Valve springs data
Installed seat pressure - 38kg
Load - [email protected]
Max. lift - up to 13.10mm
Made from chrome-silicon steel SAE9254-V
24 pcs. outer springs
24 pcs. inner springs
24 pcs. titanium retainers
With this set the risk of valve flutter and a possible engine failure is minimized.
Recommended for engines with series and racing camshafts and over 7600 RPM.
Titanium retainers are very light and strong, helps eliminate valve float.

Valve springs data
Installed seat pressure:
Intake valve spring - 25kg, exhaust double valve spring - 36kg
Load:
Intake - [email protected], exhaust - [email protected]
Max lift:
intake - up to 11mm, exhaust - up to 12.7mm
Made from chrome-silicon steel SAE9254-V
18 pcs. intake valve single springs
12 pcs. exhaust valve double springs
18 pcs. intake titanium retainers
12 pcs. exhaust titanium retainers
Fits all V6 2.7 2.8 3.0 30V Turbo/NA Audi / VW engines.
With this set the risk of valve flutter and a possible engine failure is minimized.  
Recommended for engines with series and racing camshafts and over 7600 RPM. Titanium retainers are very strong and light, they help to eliminate valve float. Weight is only 9 and 4 g.

Outer diameter - 35.00mm
Inner diameter - 33.10mm
Outer height - 26.00mm
Stem length - 14.70mm
Stud diameter - 7.00mm
24 pcs. FCP Engineering racing mechanical solid lifters
Forged steel, nitride hardened surface, HRC 50
Installed follower height to camshaft must be adjusted with lash caps (not included)