Quick Ship SKU #: ARP-230-5401 ARP Diesel Main Stud Kit 01-05 GM 6.6L Duramax 230-5401

Especially when rebuilding your Duramax engine, ensure you include fasteners that can handle the stress of break-in and long term use coupled with high heat cycles. In terms of hardware, there is no name more prestigious and proven than ARP. While its relatively common to replace the factory head bolts with a set of ARP Head Studs, its equally as important to replace teh factory main bolts with a set of main studs to create a bulletproof engine. These ARP main studs are made from 8740 chromemoly steel and have a 190,000 psi tensile-strength rating. Featuring a precision centerless-ground and thread-rolled to Mil-S-8879 specs topped off with a black oxide finish for corrosion resistance. This kit comes complete with hardened washers and high-strength hex nuts.