GM 04+ LS TTY Head Bolts

These are the stock-replacement cylinder head bolts that are torque-to-yield. They are the Gen-4 design that use two different bolt lengths and were used by from mid-year 2004 to present. These cannot be reused after being torqued down since they stretch when torqued.

SOLD PER CYLINDER HEAD – TWO KITS REQUIRED FOR COMPLETE INSTALLATION