Home / Motor / ARP 1/4-20 SS 12pt nut kit “ARP GM DURAMAX 6.6L L5P CA625+ HEAD STUD KIT” has been added to your cart. View cart ARP 1/4-20 SS 12pt nut kit€ 9,44 ARP 1/4-20 SS 12pt nut kit quantity Add to cart SKU: ARP-401-8320 Categories: Bolts & Studs, Motor Brand: ARP Related products Bolts & StudsEngine & Performance SB GM Pre ’03 CA625+ 12pt head stud kit Bolts & StudsEngine & Performance “SB2-2 3/8″” block 260ksi 12pt hsk” Bolts & StudsEngine & Performance ARP Porsche 911 AC 2.0L & 2.7L crankcase thru bolt kit Bolts & StudsEngine & Performance ARP cabinet with SS 12pt metric accessory bolts