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927 Pin Diameter
steel four-bolt main caps with upgraded ARP main studs and provisions for stock and aftermarket oil filter mounting
4L L4 (3B) 85-86
Except ED2101 & ED3701 manifolds
Linkage Kit
BIG BLOCK CHEV HEAD STUD KIT WITH 12 POINT NUTS HARDLINE & FABRICATION TOOLS 927 Pin DiameterBig Block Chev 396 454 Head Stud Kit 12 Point Nuts, Suit Aeroflow 320cc and Edelbrock Performer RPM Cylinder Heads, 8740 Grade Material Aeroflow Performance head studs greatly improve your cylinder head to block sealing compatibilities. This is important in engines with high power adders such as turbochargers, superchargers or nitrous. They can even be a great addition to a mildly modified build as insurance against failure. All head studs provide a