Supertech Valve Springs are made with premium Super Clean Chrome Silicone Vanadium Steel alloy for higher performance and durability at high RPM. 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.
The Titanium Retainers are manufactured with high quality military certified Titanium alloy, CNC machined for a tight fit that will ensure long durability.
This sale is for a brand new set of (20) Valve Springs, (20) Titanium Retainers, and (8) Spring Seats (Exhaust Only)
Part # SPRK-Audi18t
Intake Single Spring Specifications: 56 lbs seat pressure, 13.60mm Max Lift, 23.00mm Coil Bind, 6.70 lbs/mm Rate
Exhaust Dual Spring Specifications: 80 lbs seat pressure, 13.70mm Max Lift, 19.50mm Coil Bind, 10.00 lbs/mm Rate