Product Note: THIS STEERING BOX USES SWE401-50611 U-JOINT NOT SWE401-50615 AS STATED IN THE 04-05 CTC. Input Shaft Spline Count: 36 Input Shaft Diameter: 0.806" Output Shaft Spline Count: 32 and 4 master Output Shaft Diameter: 1.226" Steering Ratio: 12:1 Turns Lock to Lock: 3.00 Input Shaft Length: 1.159" Output Shaft Length: 2.228" MFG. Part #: 208-12250 Overall Length: 12.030" Overall Width: 8.900" Overall Height: 5.764" Notes: IMCA approved per IMCA 6/16/09. Fits most 1964-1988 GM passenger cars. -6 AN hose fittings. These Sweet 700 Series Sportsman power steering boxes have new quick ratio gear sets in them which significantly speeds up the steering. This steering box features new inner working components with a re-manufactured housing. Fits most 1964-1988 GM passenger cars. -6 AN hose fittings. 13/16" 36-spline input. When using a steering quickener, we recommend using a .185 valve steering box. Anything higher will be extremely hard to steer! IMCA Approved Application Autocross-Rally: While not for the average street car, these boxes work great in SCCA race cars or serious Pro Touring cars. Dirt Oval Track: 2009 IMCA approved for Modifieds and Northern Sport Mods.