Hotchkis 55-57 Chevrolet inTri 5in Sport Rear Swaybar SetHotchkis 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