Supertech performance valve springs are made with premium Super clean Chrome Silicon Vanadium Steel Alloy for higher performance and durability. Computer designed to ensure that wire stress levels do not overpass the limits for long durability under extreme conditions and harmonics are well under control.
Supertech Retainers are manufactured with high quality military certified Titanium alloy, CNC machined for a tight fit that will ensure a long durability.
This spring kit can be used on the 2.2L or the 2.4L Ecotec.
75# kit includes: Valve Springs, Titanium Retainers and Spring seats (unless noted to use OEM Seat). They work with the stock size valve seals.
94# kit includes: Valve springs, Titanium Retainers, Spring seats, and smaller diameter valve seals. Intended for racing applications.