Hi-Perf 8740 (2-pc) Rod Bolt Kit for Pontiac 287-317-347-370-389 cid (1955-62)

Hi-Perf 8740 (2-pc) Rod Bolt Kit for Pontiac 287-317-347-370-389 cid (1955-62)Because factory connecting rods (or aftermarket versions of OEM rods) are used in a variety of applications from rebuilt stock motors to modified powerplants used in circle track, marine and drag racing engines including those with superchargers and or nitrous oxide injection systems ARP offers replacement rod bolts in three different models. All of them are substantially better than the stock OEM and most aftermarket bolts. For the most severe

in conjunction with aftermarket I-beam rods

You will also note that ARP offers specially undercut studs forseveral engines

The studs are sold in 4 or 5 packs and are cadmium plated for extra durability

For the most severe applications

you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned – somethingthat won’t happen with inferior quality head studs

PROFESSIONAL SERIESAll Pro Series bolts are cold-forged to ensure molecular integrity

Made from ARP2000 and heat-treated to 220

It is the most accurate wayto determine the correct pre-load in the rod bolt

Don’t chance it

the correct preload

Your choice of chrome moly steel or polished stainless (nominally rated at 180

Features extra heavy springs for consistent repetition