Home / Engine & Performance / Valves & Springs / Supertech Spring Seat Loc OD: 28.00mm ID: 18.30mm TH: 0.38mm “Haltech Turbosmart GenV eWG50 Progate 50” has been added to your cart. View cart Supertech Spring Seat Loc OD: 28.00mm ID: 18.30mm TH: 0.38mm€ 1,84 Supertech Spring Seat Loc OD: 28.00mm ID: 18.30mm TH: 0.38mm quantity Add to cart SKU: SS-1030 Categories: Cylinder Head, Engine & Performance, Valves & Springs, Valves & Springs Brand: Supertech Description Description Inside Diameter: 18.30 Outside Diameter: 28.00 Thickness: 0.38 Related products Engine & PerformanceEngine Block JE-Pistons kit Ferrari 250 3.0L 24V 74.00mm 9.5:1 Bolts & StudsEngine & Performance ARP GM DURAMAX 6.6L L5P CA625+ HEAD STUD KIT Engine & PerformanceEngine Block JE-Pistons kit R8 5.2L V10 ’09+ 85.00mm 9.0:1 Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG60 Powergate 60