Hellwig Big Wig Rear Sway Bar reduces side-to-side body roll that provides better vehicle control and improves cornering traction for safer driving. Its solid construction provides a high yield strength of 170,000 psi. It is made for heavy-duty tow/haul applications. Hellwig Big Wig Rear Sway Bar stabilizes heavy pickups and vans for load hauling or trailer towing. Its ends consist of multiple mounting holes that adjust the level of stiffness. It is specifically sized and tuned for your vehicle’s make and model suspension.