Home / Bolts & Studs / ARP 1/2-13 SS 12pt nut kit “ARP Porsche 911 AC 3.6L & 3.8L crankcase thru bolt kit” has been added to your cart. View cart ARP 1/2-13 SS 12pt nut kit€ 15,09 ARP 1/2-13 SS 12pt nut kit quantity Add to cart SKU: ARP-401-8322 Categories: Bolts & Studs, Motor Brand: ARP Related products Bolts & StudsEngine & Performance ARP cabinet with SS hex metric accessory bolts Bolts & StudsEngine & Performance ARP Chrysler 5.7L/6.1/6.4L Hemi HSK GEN III CA625+ Bolts & StudsEngine & Performance ARP FORD 6.7L Powerstroke diesel CA625+ head stud kit Bolts & StudsEngine & Performance ARP cabinet with black hex accessory bolts