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Dry-Mount High-Pressure Silicone O-Ring Seal
6L LML Duramax 2013 Chevy 6
AC Delco Part# 9G
or have trouble reaching operating temperatures
Cylinder Head Gasket Material: None
ARP 230-4202 Custom Age 625 Duramax Head Studs RUNNING BOARDS Dry-Mount High-Pressure Silicone O-Ring SealThe ARP Custom Age 625 series head studs are the ultimate head stud for high horsepower and competition engines. Rolled threads after hardening, centerless ground, and clamping force rated at 260,000 PSI, the Custom Age 625 head studs are engineered to be the best option on the market to keep cylinder heads from lifting under the most demanding cylinder pressure. Proudly made in the USA at ARP's facility in Santa Paula, California Fits 2001 2015