Get the OptiTorque Technologies 10286P Patriot Head Stud Kit from XDP to replace the weak factory head bolts on your GM 6.6L Diesel LB7/LLY/LBZ/LMM/LML. OptiTorque offers multiple grades of material to meet various application needs. Studs and bolts are made from high-quality premium steels that are domestically melted. The steel bars are cold worked to enhance mechanical properties and eliminate surface impurities. OptiTorque fasteners undergo a proprietary heat treatment process, allowing them to achieve higher tensile strengths while maintaining toughness. The fasteners are centerless ground to ensure concentricity and remove any surface defects from heat treating. Threads are roll formed on the hardened fasteners. After threading, the fasteners are stress relieved, deburred, and plated or polished to meet each customer's packaging requirements.
Features:
- Tensile Strength 180 KSI - 220 KSI
- Threads Are Roll Formed On The Fastener In The Hardened State
- Manufactured From The Finest Quality Domestically Melted Premium Steel
- Straightened Prior To Centerless Grinding To Maintain Concentricity And Roundness
- Centerless Ground To Ensure Concentricity And Any Surface Defects From Heat Treating Are Removed
- Made in the USA
TECH TIPS:XDP Thread Cleaning Chasers (Sold Separately):
The XD40124TC and XD40128TC are a great add-on that will be critical during installation. Thread Cleaning Chasers are an excellent tool to have on-hand to ensure you have properly cleaned the threads in your engine block before the installation of any fasteners. Clean threads provide accurate torque readings and will help give you peace of mind during your engine build or head gasket repair.