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Sweet Mfg U-Joint, 9/16 26 Spline to 1 In DD, Mustang II Manual
Sweet Mfg U-Joint, 9/16 26 Spline to 1 In DD, Mustang II Manual

Sweet Mfg U-Joint, 9/16 26 Spline to 1 In DD, Mustang II Manual

Universal Fit, Single Joint Universal Joint Style, 1" DD End #1, 9/16"-26 Spline End #2, Steel

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Sweet Mfg U-Joint, 9/16 26 Spline to 1 In DD, Mustang II Manual
Sweet Mfg U-Joint, 9/16 26 Spline to 1 In DD, Mustang II Manual
Sweet Mfg U-Joint, 9/16 26 Spline to 1 In DD, Mustang II Manual
Sweet Mfg U-Joint, 9/16 26 Spline to 1 In DD, Mustang II Manual
Sweet Mfg U-Joint, 9/16 26 Spline to 1 In DD, Mustang II Manual
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Sweet Mfg U-Joint, 9/16 26 Spline to 1 In DD, Mustang II Manual
Sweet Mfg U-Joint, 9/16 26 Spline to 1 In DD, Mustang II Manual
Sweet Mfg U-Joint, 9/16 26 Spline to 1 In DD, Mustang II Manual
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Part # 91032391
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Details

Universal Joint Style:
Single Joint
End #1:
1" DD
End #2:
9/16"-26 Spline
Spline Count:
26
Spline OD:
.5625"
Spline End:
9/16"-26
Overall Length:
3.75"
Outside Diameter:
1.355"
Max Operating Angle:
30 °
Set Screw Included:
No
Material Type:
Steel
Finish:
Black Oxide
Color:
Black
MFG. Part #:
401-51320
Sold in Quantity:
Each

Info

Dont jeopardize your safety with inferior quality steering components. Speedway offers only the finest steering U-joints available. Made by Sweet Manufacturing. These steering universal joints are constructed out of forged Vanadium steel. 

  • Full compliment bearings
  • Forged Vanadium steel yokes and u-joint
  • Highest quality for racing or street
  • Features needle bearing u-joints
  • 9/16"-26 spline to GM 1" DD

Learn more about u-joints and steering systems by reading our tech article. U-Joint Selection and Design.

 

This is the 1" GM DD that measures .985"

Note: GM columns measure slightly less than 1" while IDIDIT and Flaming River columns measure a true 1".  DO NOT interchange these u-joints.

Item Details

Mustang II Manual
9/16"-26 Spline

1" DD on this U-joint is undersized and application specific to the 1" DD on an OEM GM column.  Therefore, this unit is not applicable to an aftermarket 1" DD column such as the Ididt or Flaming River applications which measures out to the full 1.000" DD application.  

Application

When purchasing U-Joints, 3 easy steps will help ensure that they will be correct for your application.

STEP 1
Be sure to measure the diameter of the shaft and count the number of splines on the shaft. Some shafts have a blank spot ground on one side. To get the correct number of splines, use a flat edge and cover the blank half of the shaft through the diameter and count the splines on the other half. Multiply that number by 2, thus giving you the total number of splines on the full circumference of the shaft.

STEP 2

Choose which shaft type best suits your application: 3/4" weld on, 3/4" DD or 1" DD.

STEP 3
With these two pieces of information at hand, refer to our chart to find the appropriate part number of the ujoint for your specific application.

Notes

Tech Tip #1: When using more than two universal joints in a system, a support heim must be used.

Tech Tip #2: Increasing a U-Joint's angle of operation beyond 30° dramatically increases the stress on the joint, weakening the whole steering mechanism. If a greater angle is needed, add another u-joint.

Important Messages

  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Some parts are not legal for use in California or other states with similar laws/regulations

Reviews

Q & A

Videos & Articles
  • Designing a steering system for your street rod or muscle car can be tricky. In this buyer's guide we'll show you how to choose the right steering U-joints, steering shaft, and accessories to complete the job quickly and safely.
  • When it comes to a traditional style build on an early hot rod it just has to be rolling on a solid front axle of some sort. In this buyer's guide we take you through I-beam and round tube solid axles, spindle choices, radius rod needs, and more.
  • If you are confused as to how that new steering wheel you want is going to attach to your project's steering column then this buyer's guide should be your first visit before adding that new wheel to your shopping list.

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