Standard Open Spider Gear Kit for '55 to '64 GM Chevy 55P w/ 17 Spline Axles All Other Parts - Model NP273 F 5-Up Aisin A/T 12 bolt

5-Up Aisin A/T 12 bolt ring gear

25” 10 bolt differentials with a 27 spline open carrier that has a 1

- Fits Ford 9” differentials with a 31 spline open carrier that has a 1

Transfer Case Model: New Process NP136

1981-1993 Dodge B250

Standard Open Spider Gear Kit for '55 to '64 GM Chevy 55P w/ 17 Spline Axles All Other Parts - Model NP273 F 5-Up Aisin A/T 12 boltCarrier Rebuild Kit by Yukon Gear & Axle Description Yukon standard open spider gear kit for '55 to '64 GM Chevy 55P with 17 spline axles Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. Spider gear kit Fits 1955 1964 GM passenger car open differential Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers. Manufacturers Info Yukon Gear &