Hi-Perf 8740 Complete Rod Bolt Kit for Pontiac 326-389-400-455 cid (1963 & later) 3/8˝

Hi-Perf 8740 Complete Rod Bolt Kit for Pontiac 326-389-400-455 cid (1963 & later) 3/8˝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

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

ARP quality delivers increasedpre-load clamping force and assures positive timing gear register

square drive forged into bolt head

heat-treated in-house to 190

Made from premium grade 8740 andheat-treated to 190

Lengths are exact – designed to provide positive seating every time

while bolt kits are shipped with the required flat washers

It has approximately 200% the fatigue life of 8740 chrome moly steel and has a tensile strength of 220

ARP has developed these sophisticated and durable pushrods

12-point designs

Both are available in black oxide finished chrome moly steel or polished ARP Stainless

Stud kits come complete with nuts and washers