Home / Bolts & Studs / ARP 1/4-20 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 1/4-20 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 ARP Chrysler 5.7L/6.1/6.4L Hemi HSK GEN III CA625+ Bolts & StudsEngine & Performance Dodge 5.9L 12V Cummins ’94-’98 custom age hsk Bolts & StudsEngine & Performance “SB2-2 3/8″” block 260ksi 12pt hsk” Bolts & StudsEngine & Performance ARP cabinet with SS hex metric accessory bolts