Hi-Perf 8740 Complete Rod Bolt Kit for Chevrolet 7/16˝ “K” rod with 12 pt nuts

Hi-Perf 8740 Complete Rod Bolt Kit for Chevrolet 7/16˝ “K” rod with 12 pt nutsBecause 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

rated at 190

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

The threads are rolled after heat-treating which gives them about 2000% better fatigue strength than most main bolts that are threaded prior to heat-treating

each stud is centerless ground to makeit as close to perfectly concentric as possible

They have a tensile strength of 190

This procedureinvolves about ten very slight cuts and results in an exceptionallystraight part

has been applied

Made from premium grade 8740 andheat-treated to 190

This helps prevent blown head gaskets

all ARP main bolts feature a reduced renching head

as well as hex or 12-point heads

If there is a permanent increase of