Direct replacement 1965-1967,1968-1982 Corvette Speed Bleeder Screws are coated with a permanent sealant and feature one-way internal valving. Turning the screws back 1/4 to 1/2 turn then pumping the brakes forces the air and fluid out, but prevents air from reentering the system. Once all the air is removed from the system, simply retighten the screws. 2 PAIR required to do front & rear brakes.
Learn more from the Mid America Motorworks Knowledge Library articles below:
Bleeding Corvette Brakes
How to Select the Right Caliper for Your 1965-1982