Home / Engine & Performance / Head Misc / PAC Steel STD 10 5/16″ Recess Valve Lock “JE-Pistons kit R8 5.2L V10 ’09+ 85.00mm 9.0:1” has been added to your cart. View cart PAC Steel STD 10 5/16″ Recess Valve Lock€ 110,42 PAC Steel STD 10 5/16" Recess Valve Lock quantity Add to cart SKU: PAC-LR8066-16 Categories: Engine & Performance, Head Misc, Head Misc Brand: PAC Related products Bolts & StudsEngine & Performance ARP cabinet with SS 12pt accessory bolts Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG40 Comp Gate 40 Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG45 Hypergate 45 Engine & PerformanceEngine Block JE-Pistons kit R8 5.2L V10 ’09+ 85.00mm 9.0:1