Home / Engine & Performance / Supertech Spring Seat Loc OD 28.00mm ID: 19.80mm TH: 3.90mm “ARP cabinet with accessory bolts” has been added to your cart. View cart Supertech Spring Seat Loc OD 28.00mm ID: 19.80mm TH: 3.90mm€ 127,52 Supertech Spring Seat Loc OD 28.00mm ID: 19.80mm TH: 3.90mm quantity Add to cart SKU: SS-2820-E-12 Categories: Engine & Performance, 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 Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG40 Comp Gate 40 Bolts & StudsEngine & Performance ARP GM DURAMAX 6.6L L5P CA625+ HEAD STUD KIT Engine & PerformanceEngine Block JE-Pistons kit R8 5.2L V10 ’09+ 84.50mm 9.0:1