Looks like no one read your last question.

Yes you need it. That is what it takes to mate to the master cylinder fittings and the brake hoses. AN fittings will not mate and I have no idea why they were even brought into the thread.


"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.