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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...
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...
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...
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...
Screamin Diesel Performance
We build a complete transmission that is ready to bolt in and go. All of our Allisons are built the same (clutch pack stackup) whether you're looking for a 1000+RWHP truck or you're looking for a...
Fass Fuel systems
A FASS Fuel Systems can be a beneficial upgrade for your GM Duramax 6.6L diesel engine, this is because your Duramax doesn’t come with a factory lift pump like other types of diesel. This...
PPEI
The PPEI EFILive DSP5 AutoCal Tuning is a very popular option for someone who is looking to be able to switch between five (5) custom tunes on the fly. When creating custom calibrations PPEI takes...
MBRP Exhaust
You count on your truck to handle whatever you need it to do. With MBRP performance exhaust you can make that happen with up to 18 more horsepower and 28 ft/lb more torque not to mention lower EGTs...
Wagler Competition Products
WCP Billet Main Caps are designed and machined in house Does not distort when torquing down main studs Adds strength to the bottom end Can be used with or without the WCP Girdle For...
