Hi-Perf 8740 Complete Rod Bolt Kit for Chrysler 2.2L & 2.5L 4-cylinder

Hi-Perf 8740 Complete Rod Bolt Kit for Chrysler 2.2L & 2.5L 4-cylinderBecause 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

These ultra heavy-duty rod bolts are made from a special material designated ARP2000

The engineers at ARP spent quite a bit of time developing these highly effective

HIGH PERFORMANCE SERIESHigh Performance head bolts are available with a reduced wrenching hex or 12-point and wide area flanged head that eliminates theneed for valve train removal to facilitate cylinder head retorquing

ARP offers two styles of Flywheel/Flexplate bolts: The premium grade Pro Series

and precision J-form threads rolled after heat-treat to create a fastener that has threads 2000% stronger than others

originally developed for NASCAR competition

ARP offers two styles of Flexplate bolts: premium grade Pro Series rated at 190

ARP studs are thread rolled after heat-treat

Because of this

It costs a lot more to do it this way

You will note that ARP studs feature a special “bullet nose” to guide the nut accurately into place

Higher Performance Series: Made of 8740 chrome moly forgings and heat-treated to 180