12-Pt Head Stainless Oil Pan Bolt Kit for Ford 390-428 cid FE Series

12-Pt Head Stainless Oil Pan Bolt Kit for Ford 390-428 cid FE SeriesThe engineers at ARP spent quite a bit of time developing these highly effective, unique oil pan studs. Theyre designed to make it as easy as possible to install a pan and seal it properly. Youll note that the studs have a radiused bullet nose that serves to locate the pan rails, then allow the nuts to be easily installed without the worry of cross threading. For those who prefer bolts, ARPs got you covered, too. Both are available in black oxide

while expensive

All of them are substantially better than the stock OEM and most aftermarket bolts

000 psi tensile strength

large underhead radius and rolled threads for the utmost in reliability

Special ARP Pro Series NASCAR type stud kits have one of the studs drilled to facilitate sealing the carburetor in the engine by race officials

The parts are CNC machined from solid aluminum billet (6061) or 1018 mild steel

Most applications have undercut short bolts that can help eliminate head gasket failures through providing more “stretch” to compensate for the additional compression of gaskets

There are many important reasons to use ARP main stud kits

The fittings come in sizes: 1/4

ARP sprint car drive pins feature a broached hex for ease of installation and proper pre-load while the rounded end facilitates quick

Both are nominally rated at 180

Wide underhead flange and companion washers provide even load distribution