Torsion bar compliment to 340 XHD Spring

Along with larger torsion bars a 1-1/8 front and 3/4 or 7/8" rear sway bar goal long way towards handling. Just know stiffer springs make for a rougher ride we're sway bars typically do not affect ride quality. What ever you do buy some good (i.e. Bilstein, Viking, Hotchkis, Fox, Koni, etc.) shocks to control the springs.