Mustang Cylinder Head Bolt Set OEM 4.6 3V 2005-2009
Oem replacement head bolt set (20) for 2005-2009 Mustang Gt with the 4.6 3V Engine. Does both cylinder heads.
The factory bolts are torque-to-yield which means they are one time use and they must stretch to achieve their final torque. So why not be safe and replace the bolts when doing a rebuild.