(SPR-TS1015 + RET-TS60/WRX1 + SEAT-TS/SUB) (Dual Valve Springs) (Titanium Retainers) (Valve Seats) Reduced O. Supertech Performance uses their experience of more than 20 years in the manufacturing of racing valves, do intensive testing and work very closely with many engine builders in order to continuously improve and provide the market with the best possible product for every application.
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 Retainers are manufactured with high quality military certified Titanium alloy, CNC machined for a tight fit that will ensure a long durability. The item "SUPERTECH DUAL VALVE SPRINGS Retainers for WRX /STI 02-07 EJ205 EJ255 EJ257" is in sale since Thursday, November 17, 2011.This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Engines & Components\Block Parts". The seller is "streetrays" and is located in Austin, Texas. This item can be shipped to United States.