Supertech Dual Valve Spring Kit Vauxhall Opel Astra G MK4 2.0T Z20LET GSi SRi

  

Supertech Dual Valve Spring Kit - Vauxhall Opel Astra G MK4 2.0T Z20LET GSi SRi Suitable for: Z20LEH / Z20LEL / Z20LER / Z20LET Engines Kit includes: - 16x double valve springs - 16x Titanium retainers - 16x Titanium Seats Type: Dual Spring Press. About Supertech Supertech designs and manufactures valve springs designed to do more than achieving the required pressure and lift. Their valve springs are designed to ensure natural harmonics of the spring for each application. Supertech springs are manufactured using superior materials in superclean chrome silicon vanadium alloy. Their springs are heat treated, stress relieved and shoot peened to help improve the fatigue life of the spring. All Supertech valve springs are made with premium Superclean Chrome Silicon Vanadium Steel alloy for higher performance & durability at high rpms. Using high quality steel alloy allso provides the added benefit of better structural memory for all of our springs. The Valve Springs are computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue. They also utilize computer software that allows them to ensure that the harmonics are under control. Supertech high quality retainers are among the best in the industry. We try to respond to messages within 24 hours. If you do not receive a response within 24 hours please send us another message. The seller is "wg_motorparts" and is located in Rochester. This item can be shipped to United Kingdom.