Home / Engine & Performance / Motor / 1/4-28 hex nut kit (10pcs) “ARP GM DURAMAX 6.6L L5P CA625+ HEAD STUD KIT” has been added to your cart. View cart 1/4-28 hex nut kit (10pcs)€ 10,68 1/4-28 hex nut kit (10pcs) quantity Add to cart SKU: ARP-200-8639 Categories: Bolts & Studs, Motor Brand: ARP Description Description Country of Origin: USA Related products Bolts & StudsEngine & Performance ARP Head Bolt Kit Caterpillar C15 8740 12pt Bolts & StudsEngine & Performance ARP Porsche 911 AC 3.6L & 3.8L crankcase thru bolt kit Bolts & StudsEngine & Performance Dodge 5.9L 24V Cummins ’98-’02 custom age hsk Bolts & StudsEngine & Performance ARP FORD 6.7L Powerstroke diesel CA625+ head stud kit