Audi A6 S4 2.7 Biturbo

Part number KPR-6S-7
Supertech 6mm single groove valve keeper (lock)
Price is for 1 pc. (2 pcs. needed for one valve)
For:
Renault Megane - 2.0 16V (F4RT)
Opel / Vauxhall - 2.0 16V (Z20LET/LEH)
Audi / VW - 1.8T 2.4 2.7T 2.8 3.0 (5V/cyl.)
BMW - M42, S42, M50, M52, M54, S50 (USA), S52 (USA), S54
Toyota - 3.0 2JZGTE 2JZGE

Part number VS-VBM6I.
Supertech intake valve seal for 6mm valve stem.
For:
Opel / Vauxhall - 2.0 16V (Z20LET/LEH)
Audi / VW - 1.8T 2.4 2.7T 2.8 3.0 (5V/cyl.)
BMW - M42, S42, M50, M52, M54, S50 (USA), S52 (USA), S54

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
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.
Can be used together with standard or with FCP titanium retainers.

Lifter data:
30 pcs. FCP Engineering mechanical racing solid lifters.
Forged steel, nitride hardened surface, HRC 50.
Installed tappet height to camshaft must be adjusted with lash caps (not included).
Lifter adjustment requires:
18pcs. 6mm lash caps
12pcs. 7mm lash caps

Intake lifter data (18 pcs.):
Outer diameter - 23.97mm
Inner diameter - 23.97mm
Outer height - 24.20mm
Stem length - 15.00mm
Stud diameter - 6.00mm
Weight - 26g

Exhaust lifter data (12 pcs.):
Outer diameter - 33.47mm
Inner diameter - 31.50mm
Outer height - 26.00mm
Stem length - 15.00mm
Stud diameter - 7.00mm
Weight - 43g