These bars feature an adjustable load control strut to allow right or left side suspension pre-load for fine tuning the chassis under various track conditions. Manufactured from heavy-gauge square tubing to prevent flex or bending and featuring an attractive black powder coat finish to resist corrosion. Includes polyurethane bushings for positive control and stability, and grease fittings for ease of lubrication. Traction Action Lift bars are engineered for easy bolt-on installation with no welding required. Legal for NHRA stock eliminator class. Product Features:Top-Grade Steel TubingAdjustable Link For Superior Handling