Supertech Valve springs / retainer kit for VAG 1.8T 20V Turbo engines.
Supertech Valve Springs are made with premium Superclean Chrome Silicone Vanadium Steel alloy for higher performance and durability at high RPM's and better memory. Computer Designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue for long durability under extreme conditions. Computer software also allows us to make sure that the harmonics are well under control.
The Supertech Retainers are manufacturer with high quality military certified Titanium alloy, CNC machined for a tight fit that will ensure a long durability.
Single Intake Springs:
Outer Spring -- 20.60mm OD -- 14.40mm ID
56 lbs seat pressure -- 56 lbs @ 36.60mm
13.60mm Max Net Lift
23.00mm Coil Bind
6.70 Lbs/mm Rate
Dual Exhaust Springs:
Outer Spring -- 29.10mm OD -- 21.90mm ID
Inner Spring -- 20.50mm OD -- 15.50mm ID
80 lbs seat pressure -- 80 lbs @ 33.20mm
13.70mm Max Net Lift
19.50mm Coil Bind
10.00 Lbs/mm Rate