This is a front upper shock bushing set (4) Triumph TR3, TR4, TR4A, TR250, TR6, GT6 and Spitfire. Or a rear shock link bushing set (4) made in polyurethane for Triumph TR3, TR4, TR4A, TR250 and TR6. These bushings are graphite impregnated for long life and no squeak. This will be the last set that you have to instal