What size are the head bolts for a 93 Toyota Tercel?

The head bolts for a 1993 Toyota Tercel typically have a size of 10 mm with a thread pitch of 1.25 mm. It's important to use the correct torque specifications when installing them, which is generally around 58 ft-lbs (or 79 Nm). Always refer to the vehicle's service manual for the most accurate and specific information.