Hi-Perf 8740 Complete Rod Bolt Kit for AMC 258 cid Inline 6

Hi-Perf 8740 Complete Rod Bolt Kit for AMC 258 cid Inline 6Because 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

including the elimination of main cap walk and fretting

Origin: USA

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

Many professional engine builders prefer to use studs because of their ability to properly position the gasket and guide the cover into position

square drive forged into bolt head

wide area washer and an extra tall 12-point head that accepts a deep socket and eliminates the worry ofstripping the head

What’s more

Following heat-treat

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

We highly recommend using a stretch gauge when installingrod bolts and other fasteners where it is possible to measure thelength of the bolt after tightening

Washers and nuts included where applicable

All kits come complete with hardened parallel-ground washers and high quality nuts