Home / Engine & Performance / Cylinder Head / Supertech Spring Seat Loc OD: 20.22mm ID: 13.08mm TH: 0.38mm Supertech Spring Seat Loc OD: 20.22mm ID: 13.08mm TH: 0.38mm€ 1,84 Supertech Spring Seat Loc OD: 20.22mm ID: 13.08mm TH: 0.38mm quantity Add to cart SKU: SS-3004 Categories: Cylinder Head, Cylinder Head|Engine & Performance, Engine & Performance, Valves & Springs, Valves & Springs Brand: Supertech Description Description Inside Diameter: 13 Outside Diameter: 20.22 Thickness: 0.38 Related products Bolts & StudsBolts & Studs|Engine & Performance Chevy Duramax 6.6L diesel CA625+ custom age HSK Bolts & StudsBolts & Studs|Engine & Performance ARP cabinet with black 12pt accessory bolts Engine & PerformanceEngine Block JE-Pistons kit R8 5.2L V10 ’09+ 85.00mm 10.5:1 Engine & PerformanceEngine Block JE-Pistons kit R8 5.2L V10 ’09+ 84.50mm 9.0:1