What do I need to replace head gasket on a Toyota corolla?

To replace the head gasket on a Toyota Corolla, you will need several tools including a socket set, torque wrench, and gasket scraper. You'll also need a new head gasket, along with associated components such as head bolts, coolant, and possibly new oil and filter. It's important to have a repair manual specific to your Corolla model for detailed instructions and torque specifications. Additionally, ensure you have access to a clean workspace and safety equipment like gloves and goggles.