Home / Engine & Performance / Motor / DART Head Stud Kits SBC 9° 4.5″ bore space 7/16 + 3/8 iron DART Head Stud Kits SBC 9° 4.5″ bore space 7/16 + 3/8 iron€ 1.157,44 DART Head Stud Kits SBC 9° 4.5" bore space 7/16 + 3/8 iron quantity Add to cart SKU: 66110017A Categories: Bolts & Studs, Engine & Performance, Motor, Motor Brand: Dart Machinery Related products Engine & PerformanceEngine Block JE-Pistons Kit Lambo. Gallardo 5.0L FSI V10 ’03-08 82.50mm Bolts & StudsEngine & Performance ARP cabinet with accessory bolts Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG50 Progate 50 Engine & PerformanceEngine Block JE-Pistons kit R8 5.2L V10 ’09+ 85.00mm 9.0:1