JEGS 83449 Cylinder Head Bolt is specifically made for GM Gen V LT Engines to fit in the front hole on the left/driver side. This bolt requires the use of a 13 mm Allen socket or Allen wrench for proper installation.

JEGS 555-83449 Notes:

• The bolts in this kit are torque-to-yield design. This type of bolt is a one-time use fastener that stretches during the torquing process and cannot be reused once installed.
• 1 bolt required per engine