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Warning: This product can expose you to chemicals that are known to the State of California to cause cancer. For more information, visit www.P65warnings.ca.gov.
ARP Pro Series cylinder head studs are cold-forged to ensure molecular integrity. They are heat-treated prior to thread rolling and machining. ARP Pro Series kits are also available with 12-point nuts, and all kits come complete with hardened parallel washers for an even load distribution and accurate torque readings. With hundreds of models ready to ship, these cylinder head fasteners can be ordered for virtually any style engine.
Merchant Automotive
Merchant Automotive provides industry leading customer service and support. Merchant's staff of professionals has intimate knowledge in all the Duramax/Allison platforms they represent and are...
ARP
ARP main stud kits help eliminate main cap walk/fretting and protect the threads in your engine block. They include studs made from 8740 Chromoly steel and heat-treated in-house to 190,000 psi...
PPE
An ARP cylinder head stud kit is a precision centerless-ground for accuracy. Thread-rolled to Mil-S-8879 specifications for increased strength while reducing stress at the threads. Hardened parallel...
Wide Open Perf
Depending on the trucks set-up, upgrading to a set of these A1 Technologies head studs is always recommended at boost levels above 38-40-psi. These are the best head studs available on the market...
ARP
ARP high-performance cylinder head stud kits are precision centerless-ground and thread-rolled to Mil-S-8879 specs. Their black oxide finish protects them from wear and corrosion, and ARP throws in...
ARP
ARP high-performance cylinder head stud kits are precision centerless-ground and thread-rolled to Mil-S-8879 specs. Their black oxide finish protects them from wear and corrosion, and ARP throws in...
Merchant Automotive
Merchant Automotive provides industry leading customer service and support. Merchant's staff of professionals has intimate knowledge in all the Duramax/Allison platforms they represent and are...
Screamin Diesel Performance
This Allison 1000 is built in house to the highest of standards and includes a Goerend triple disc billet torque converter. All of our Allisons are built the same (clutch pack stackup) whether you're...
ARP
ARP main stud kits help eliminate main cap walk/fretting and protect the threads in your engine block. They include studs made from 8740 Chromoly steel and heat-treated in-house to 190,000 psi...
Merchant Automotive
Merchant Automotive makes it easy to place just a single order and get everything you need to overhaul your 2011-2016 LML Duramax diesel engine. This will save you time and frustration. ...
Wagler Competition Products
01 – 16 6.6 Duramax 3/8 x .135 Wall 4130 Chrome Moly
