These bolts are often called "transmission bolts" or "bellhousing bolts". You'll need 8 of these bolts to secure the transmission.
Important:
* Torque: Make sure you torque these bolts to the correct specification, which is 40-45 ft-lbs.
* Threadlocker: Consider using threadlocker on these bolts to prevent them from loosening over time.
* Compatibility: Ensure the bolts you purchase are the correct size and grade for your specific transmission and bellhousing.
Remember, always consult your car's repair manual for the most accurate information and torque specs for your specific model.