Home / Bolts & Studs / ARP 1/2-20 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 1/2-20 SS 12pt nut kit€ 15,09 ARP 1/2-20 SS 12pt nut kit quantity Add to cart SKU: ARP-400-8324 Categories: Bolts & Studs, Motor Brand: ARP Related products Bolts & StudsEngine & Performance ARP Head Bolt Kit Caterpillar C15 8740 12pt Bolts & StudsEngine & Performance ARP Porsche 911 AC 2.0L & 2.7L crankcase thru bolt kit Bolts & StudsEngine & Performance ARP cabinet with black hex accessory bolts Bolts & StudsEngine & Performance ARP cabinet with accessory bolts