Home / Engine & Performance / Valves & Springs / Supertech Spring Seat Loc OD: 27.94mm ID: 18.31mm TH: 0.76mm “ARP cabinet with SS 12pt accessory bolts” has been added to your cart. View cart Supertech Spring Seat Loc OD: 27.94mm ID: 18.31mm TH: 0.76mm€ 1,84 Supertech Spring Seat Loc OD: 27.94mm ID: 18.31mm TH: 0.76mm quantity Add to cart SKU: SS-3030 Categories: Cylinder Head, Engine & Performance, Valves & Springs, Valves & Springs Brand: Supertech Description Description Inside Diameter: 18.31 Outside Diameter: 27.94 Thickness: 0.76 Related products Engine & PerformanceEngine Block JE-Pistons kit R8 5.2L V10 ’09+ 84.50mm 9.0:1 Bolts & StudsEngine & Performance Chevy Duramax 6.6L diesel CA625+ custom age HSK Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG40 Comp Gate 40 Bolts & StudsEngine & Performance ARP FORD 6.7L Powerstroke diesel CA625+ head stud kit