Speedway Motors Power Steering Conversion Kit Compatible with 1958-1964 Chevy Full-Size Cars, 14:1 Ratio 500 Series Steering Box with Centerlink, Pitman Arm, Idler Arm, & Hardware

You get a new 500 series power steering box, new centerlink, new pitman and idler arm. Power steering pump, power steering hoses, and pulleys are sold separately. 1958-'60 cars need to order the 910-32582 idler arm adapter. Steering box uses inverted flare fittings, 11/16" fine on the pressure side and 5/8" fine thread on the return side. Has a 3/4" 30-spline input shaft. 500 Series power steering boxes are the key components to a high performance modern style power steering system. Features a 14:1 ratio unit which provides superior directional control and road feedback, as well as a more stable feel to the driver. Recirculating ball gears for low friction and increased steering response. An open centered, rotary type valve provides smooth operation throughout the steering range while retaining excellent road feel. For the 1958-64 full-size Compatible with Chevrolet, the 500 Series is a direct replacement for the manual steering box and is “bolt on” easy to install. Another unique feature is the mounting bosses which are integrated into the casting, eliminating the need for an external bracket and lining up perfectly to your column without shims. Works with both the original and aftermarket steering columns and sway bars. This is the very best gearbox available on the market today to convert your full-size Compatible with Chevrolet to power steering. New high performance center link system that upgrades the stock center link, pitman arm and idler arm for the best road feel and performance. Note: Some applications require slight modification to the radiator tank to clear the steering box. The steering box provided in this kit is a 'bolt-in' application. Connecting the steering column to the steering box will require fabrication and the use of u-joints, rag joints, and steering shaft per the installers build choice. Kit Includes: Pitman Arm. Idler Arm. Center Link. Steering Box. Mounting Bolts.

• Complete Power Steering Upgrade: Converts 1958–1964 Compatible with Chevy full-size cars to power steering with new 500 Series steering box, centerlink, pitman arm, and idler arm for modern performance.
• High-Performance 14:1 Ratio Steering Box: Provides improved directional control, quicker response, and a more stable on-road feel compared to stock manual steering.
• Direct Bolt-On Installation: Designed as a simple bolt-in replacement for manual steering; no external brackets or shims required for most applications.
• Durable, Smooth Operation: Features a recirculating ball gear design with open-centered rotary valve for low friction, precise steering, and excellent road feedback.
• Fits Full-Size Compatible with Chevy Models: Compatible with 1958–1964 Compatible with Chevy Impala, Bel Air, and Biscayne; 1958–60 cars require idler arm adapter (PN 910-32582) for proper fitment.