ARP Diesel Main Stud Kit 247-5401
Mfg. Number: 247-5401
XDP Part Number: ARP247-5401
ARP recommends the
use of main studs over bolts whenever possible for several key reasons.
First is the ability to obtain more accurate torque readings because
studs don't "twist" into the block. All clamping forces are on one axis.
By the same token, there is less force exerted on the block threads,
which contributes to improved block life. Finally, the there are factors
of easier engine assembly and proper alignment of caps every time.
There are many important reasons to use ARP main stud kits including
the elimination of main cap walk and fretting, as well as protecting the
threads in your engine block. All kits come complete with hardened
parallel-ground washers and high quality nuts. The studs are
manufactured from 8740 chrome-moly steel, heat-treated in-house to
200,000 PSI tensile strength, and precision J-form threads rolled after
heat-treat to create a fastener that has threads 2000% stronger than
2-Bolt Main Stud Kit
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