Hotchkis Sport Suspension 22105R Tri 5 1955-1957 Chevy Rear Sport Sway Bar. Dramatically improve the cornering performance and traction of your 1955 1956 1957 Chevy with the Hotchkis Sport Suspension rear sway bar package. Our performance sway bar package offers fine tunable rear roll stiffness previously unavailable for the classic Chevy Tri-Fives. Cars with wider rear tires and high horsepower engines will greatly benefit from this stability package. The kit includes TIG-welded end-links with easy to lubricate polyurethane bushings premium mounting hardware including stainless steel u-bolts laser cut axle mounts polyurethane bushings grade 8 bolts and gloss black powder coat finish. Rear sway bar is lightweight durable 1.0 in. tubular steel Two adjustment options: 309 lbs. /in and 480 lbs. /in.