Hi-Perf 8740 Complete Rod Bolt Kit for Ford 289-302 cid standard 5/16˝

Hi-Perf 8740 Complete Rod Bolt Kit for Ford 289-302 cid standard 5/16˝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

12-point head design and larger than stock shank diameter for increased strength andimproved flywheel register

The nuts feature a wide base for better load distribution and sealing

ARP Pro Series head bolt kits are application specific and designed to deliversuperior strength typically associated with competition engines

They have a tensile strength of 190

The shaft is made from heat-treated

Material: ARP2000

The studs are manufactured from 8740 chrome moly steel

ARP has developed special pressure plate bolts that are applicationspecific to ensure the optimum grip length

as well as hex or 12-point heads

including use of a premium grade chrome moly alloy

allowing forslight misalignment

It’s important to note that lesser quality studsare not even centerless ground – the material is thread rolled inbar stock form (mostly before heat-treat