SE400 x 1. OUR OWN SPEC. TOP QUALITY, UPRATED FRONT ANT-ROLL BAR to fit XK120, XK140 & XK150. Made in a 7/8" (22mm) diameter sprung steel, superceding Early XK120 bars (15mm dia.) as a 40% Upgrade and Later XK120, XK140 & XK150 bars (17mm dia.) as a 35% Upgrade, uprating your XK to E-Type specification. This is a subtle. but effective modification, and visually they are hardly noticeable from standard. The photos show the upgraded ends (from washer & split-pin) featuring a 7/16 UNF thread, with superior CLEEVE-LOCK NUTS. Supplied in a lovely black powdercoat finish, with two matching rubber Saddle Bushes (4104) that fit into the standard brackets, with washers and x 4 new Eye Bushes, so it is a complete kit, ready to bolt into your drop links (SEE 4093K for new link kits). Original Std. Reference : C7220U