Most older parts stores sell the copper line by the foot,and the fittings and ferrules to go with the line,also the plastic line kits are available from anywhere that sells gauges. They usually use the same fittings as the copper lines.
Speed


1954 GMC 350
1957 GMC 1/2 ton
1962 Chevy C-30
1952 Chevy 6400 dump bed project truck
'98 Harley FLSTC
'66 Pontiac Catalina
'76 Chevy 1 ton Duallie
'84 Bronco II
'78 Dodge W-200
'81 Toyota 4X4 truck