Home / Engine & Performance / Valves & Springs / Supertech Spring Seat Loc OD 28.00mm ID: 19.80mm TH: 3.90mm “Haltech Turbosmart GenV eWG45 Hypergate 45” has been added to your cart. View cart Supertech Spring Seat Loc OD 28.00mm ID: 19.80mm TH: 3.90mm€ 10,48 Supertech Spring Seat Loc OD 28.00mm ID: 19.80mm TH: 3.90mm quantity Add to cart SKU: SS-2820-E Categories: Cylinder Head, Engine & Performance, Valves & Springs, Valves & Springs Brand: Supertech Description Description Inside Diameter: 20 Outside Diameter: 28.00 Thickness: 3.90 Related products Bolts & StudsEngine & Performance ARP cabinet with SS hex metric accessory bolts Bolts & StudsEngine & Performance ARP cabinet with black hex accessory bolts Bolts & StudsEngine & Performance Chevy Duramax 6.6L diesel CA625+ custom age HSK Engine & PerformanceEngine Block JE-Pistons kit Ferrari 330 4.0L 24V 78.00mm 10.0:1