Hi-Perf 8740 Complete Rod Bolt Kit for Buick 400-401-425-430-455 cid

Hi-Perf 8740 Complete Rod Bolt Kit for Buick 400-401-425-430-455 cidBecause 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

drive toolMade from heat-treated 8740 chrome moly steel withheavy-duty black oxide finish

ARP manufactures a variety of special application-specific bolt and stud kits

It is for good reason that virtually every top professional enginebuilder relies on ARP Pro Series head studs for their all-out competitionpowerplants

A premium grade 8740 alloy chrome moly steel is used to manufacture ARP High Performance connecting rod bolts

000 psi (which is 15%stronger than Grade 8) and kits come complete with hardened parallel-ground washers

reciprocating and valve train components

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

or use the chart on page 25 of thiscatalog for ARP fasteners

ARP studs are thread rolled after heat-treat

Far superior to any other main bolts available for use in competition engines

thread pitch to thread pitch