Home / Bolts & Studs / DART Nuts Cylinder head nut 3/8 – 24 12-pt “ARP Porsche 911 AC 3.6L & 3.8L crankcase thru bolt kit” has been added to your cart. View cart DART Nuts Cylinder head nut 3/8 – 24 12-pt€ 2,65 DART Nuts Cylinder head nut 3/8 - 24 12-pt quantity Add to cart SKU: 66810100 Categories: Bolts & Studs, Motor Brand: Dart Machinery Related products Bolts & StudsEngine & Performance ARP cabinet with SS hex metric accessory bolts Bolts & StudsEngine & Performance ARP Head Stud Kit Ford 6.0L Powerstroke Diesel CA625+ Bolts & StudsEngine & Performance ARP Porsche 911 AC 3.6L & 3.8L crankcase thru bolt kit Bolts & StudsEngine & Performance ARP SBC LS3/LS4 ’04 & UP THREAD REPAIR CA625+ HEAD STUD KIT