Yet another original product presented by Maxim Chassis.  The X-Check Torsion Bar Rating System is designed to deliver the most accurate compression and rebound readings of your 30" Torsion Bars.  This pneumatic dyno is calibrated for use with 70-120 psi and is completely portable at 80lbs. Utilized by professional sprint car teams, the X-Check comes complete with an accessories kit with: tools, instructions, calibration bar, regulator, and dyno sheets to begin your dyno session.