Hi-Perf 8740 Complete Rod Bolt Kit for BMC/Triumph/Rover A & B Series 11/32˝

Hi-Perf 8740 Complete Rod Bolt Kit for BMC/Triumph/Rover A & B Series 11/32˝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. A premium grade 8740 alloy

Fittings are available with female pipe threads

To be used with ARP’s patented Perma-Loc™ adjusters

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

and monitor overall length during installation

It is primarily used in short track and drag racingapplications where inertia loads exceed the clamping capability of ARP2000

and are available in 8740 chromemoly with a black oxide finish or ARP Stainless

Kits come with hardened parallel-ground washers

ARP studs are thread rolled after heat-treat

valve covers

including use of a premium grade chrome moly alloy

allowing forslight misalignment

All Pro Series head bolts have areduced wrenching hex or 12-point head and wide area flange to permit the use of larger diameter valve springs and eliminate theneed for valve train removal during cylinder head retorquing