Conversion u-joint. Chevy 3R to 1350 series. In the early 80's, Chevy started using 3R u-joints that were held in place with injected plastic, instead of clips. We often need to convert a Chevy driveline to hook up to a new front or rear axle that has a 1350 1 ton yoke. Remember, Please check the chart at the start of the U-joint page to make sure this is what you are looking for.
3R has internal clip surface at 2.5626" wide with 1.125" cap diameter
1350 has 3.625"" external clip surface (outside of caps) and 1.188" cap diameter
WARNING: Please measure you caps and be sure this is what you are looking for!
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