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USD 229.99
Part #: ARP230-5401

ARP Diesel Main Stud Kit 230-5401

2001-2005 GM 6.6L Duramax LB7/LLY
Part #: ARP230-5401
$ $229.99
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When you are setting up a Duramax engine for drag racing and sled pulling, ARP main and head studs are a must have item! Keep your mains from walking and fretting by clamping down on them with a ARP Stud set that will insure your investment!


  • Main Studs
  • Side Bolts
  • ARP Moly Lube
Note: Torque Specs are 200 FT/LBS on the Mains with ARP Moly Lube, and 86 FT/LBS on the Side Bolts with ARP Moly Lube.


  • MFG. Number 230-5401
  • Manufacturer Name ARP
  • Shipping Weight 6.00 lb.
  • Shipping Length 9 in.
  • Shipping Width 4 in.
  • Shipping Height 3 in.
  • Fuel Type Diesel
  • UPC 672036035440
  • Prop 65 WARNING: Cancer & Reproductive Harm -


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Questions and Answers

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Most Popular Questions

What all comes with this kit?
View Staff Answer 

ARP Diesel Main Stud Kit 230-5401 includes the ARP main studs, side bolts, nuts/washers and a small blister pack of ARP Fastener Assembly Lubricant.

Is this a full set?
View Staff Answer 
This is a Full set.
do these hold better than factory ones?
View Staff Answer 
Yes, the ARP Main Studs are proven to be stronger and more reliable than the factory bolts.