Triumph TR3-4 rear brake hose , Healey Rear brake hose This is a front for a Triumph TR3 (disc brakes), TR4. Front hose for Austin Healey BN1, BN2, BN4, BN6 Front, Rear Hose for TR3, TR4, BN1, BN2, BN4, BT7,BJ7 and BJ8. Reference #GHP2G, 584-070, GBH206