Four way brass brake union, 3/8" unf female with 1 x 1/4" fixing hole, takes 'punch operation stage 1' x 3/8" unf male nuts for 3/16" brake pipes, these are as fitted to DB4 on & replace obsolete 4 way 'stage 2 ' fittings, Part No. 74489 as used on all DB2 to MkIII cars if you have mislaid it.

Flat or 4th connection on Flat 4 way comes in from side. limited stocks

Three way brass brake union, 3/8" unf female with 1 x 1/4" fixing hole, take 'punch operation stage 1' x 3/8" unf male nuts for 3/16" brake pipes, these are fitted to DB4 on axles & diffs, they also replace the obsolete 4 way 'stage 2' fittings, Part No. 55623 as used on all DB2 to MkIII cars if you have mislaid it.

also available brass 3/8" unf male & female nuts for 3/16" pipe, 3/8" unf male / male joiners for 3/16" pipe as used on DB4on, 3/8" unf female / female joiners for 3/16" pipe as used on many classic cars,

note: the male & female brass nuts we supply are correctly sized imperial 'across flats' 7/16" male & 9/16" female unlike the plated steel junk you get from the motor factors which is metric ' across flats' - 10mm male & 13mm female fittings.   

brass 7/16" male & female nuts for 1/4" brake supply pipe as used on all Post War Aston's up to 1988 AM V8 but may have been used on Virage & later.

brass male 3/8" unf to 7/16" unf female convertors & 7/16" male to 3/8" unf female convertors - we use them on Fifties Lagonda's for fitting modern brake parts to the 1/4" piped braking system,