My truck is a '57 two ton, all of the steel lines are 1/4 inch, I don't think there is any bushing in mine - the main brake line threads directly into the MC. Is you line 1/4 inch?
1957 Chevrolet 5700 LCF 283 SM420 2 speed rear, 1955 IH 300U T/A, 1978 Corvette 350 auto, 1978 Yamaha DT175, 1999 Harley Davidson Softail Fat Boy
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