Home / Engine & Performance / Manley Valve Lock/Keeper, LOC-5/16 MACHED “ARP GM DURAMAX 6.6L L5P CA625+ HEAD STUD KIT” has been added to your cart. View cart Manley Valve Lock/Keeper, LOC-5/16 MACHED€ 113,22 Manley Valve Lock/Keeper, LOC-5/16 MACHED quantity Add to cart SKU: 13090-16 Categories: Engine & Performance, Head Misc Brand: Manley Related products Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG60 Powergate 60 Bolts & StudsEngine & Performance ARP cabinet with SS hex metric accessory bolts Engine & PerformanceEngine Block JE-Pistons Kit Lambo. Gallardo 5.0L FSI V10 ’03-08 82.50mm Bolts & StudsEngine & Performance ARP cabinet with black hex accessory bolts