Since 1952
America's Oldest Speed Shop ®
Speedway Motors Bill Smith

Steering Rag Joint, 3/4 Inch-30 Spline x 3/4 Inch-36 Spline DD

SAME DAY SHIPPING!

Specs
Centerline of Holes:
2.49
Overall Width:
2.42
Sold in Quantity:
Each
Overall Diameter:
3.38
Spline End:
3/4 - 30
Spline End (2):
3/4 - 36

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What's in the Box

These rage joints make it easier to put an Ididit column in your '55-'57 Chevy car when using an aftermarket steering box. 

Steering U-Joints and Couplers Application Chart (GIF)

Steering Box/Rack/Spline Chart (Link)

Spline Size (Link)

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 u-joint for your specific application.

You may also be interested in:

Ididit 1120550010 1955-56 Chevy Tilt Steering Column, Plain
                        Make your 1955-1956 Chevy more comfortable to drive by installing a new ididit steering column. These tilt, non-shift columns move the steering wheel back 2" while the non-tilt leaves it in the stock location. 

Uses the common 1969 and up GM wheel adapters and 3-7/8" wiring plug. Listed below are wiring adapters for the stock harness along with a floor mount. No-shift columns use 1" DD U-joints. When using the original steering box, the input shaft will need to be cut and modified into a 3/4" DD.

446-1255 Instructions (PDF)


 

Ididit 1120570010 1957 Chevy Tilt Steering Column, Plain
                        

Make your 1957 Chevy more comfortable to drive by installing a new Ididit steering column. Ididit tilt steering columns with no shifter will move the steering wheel back 2" towards the driver. Columns use the common 1969 and up GM wheel adapters.

  • Self-Canceling Turn Signals
  • 4-Way Flashers
  • Billet Knobs and Handles
  • 3-7/8" Wiring Plug
  • 1" DD Lower Shaft
  • Plain steel finish

Wiring adapters for the stock harness are listed along with a floor mount. When using the original steering box, the input shaft will need to be cut and modified into a 3/4" DD.

446-1257 Instructions (PDF)

Ididit 1140550010 1955-56 Chevy Tilt & Shift Steering Column, Plain
                        Make your 1955-1956 Chevy more comfortable to drive by installing a new Ididit steering column. These tilt columns with shift move the steering wheel back 2" while the non-tilt leaves it in the stock location. 

Uses the common 1969 and up GM wheel adapters and 3-7/8" wiring plug. Listed below are wiring adapters for the stock harness along with a floor mount. Column uses 3/4"-36 spline U-joints. When using the original steering box, the input shaft will need to be cut and modified into a 3/4" DD.

446-1455 Instructions (PDF)


 

Garage Sale - Ididit 1957 Chevy Tilt Steering Column w/Shift
                        

Make your 1957 Chevy more comfortable to drive by installing a new Ididit steering column. Ididit tilt columns with automatic transmission shifter will move the steering wheel back 2" towards the driver. These use the common 1969 and up GM wheel adapters.

  • Self-Canceling Turn Signals
  • 4-Way Flashers
  • Billet Knobs and Handles
  • 3-7/8" Wiring Plug
  • Connects to 3/4"-36 spline U-joints
Listed below are wiring adapters for the stock harness along with a floor mount. When using the original steering box, the input shaft will need to be cut and modified into a 3/4" DD.

446-1457C Instructions (PDF)

 

Clearance!

 

NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 

Garage Sale - Ididit 1957 Chevy No Tilt Steering Column with Shift
                        

Make your 1957 Chevy more comfortable to drive by installing a new Ididit steering column. This is a non-tilt steering column with an automatic transmission shifter, which directly mounts in the original location. These columns use the common 1969 and up GM wheel adapters. Choose plain paintable steel or chrome finish.

  • Self-Canceling Turn Signals
  • 4-Way Flashers
  • Billet Knobs and Handles
  • 3-7/8" Wiring Plug
  • Connects to 3/4"-36 spline U-joints
Listed below are wiring adapters for the stock harness along with a floor mount. When using the original steering box, the input shaft will need to be cut and modified into a 3/4" DD.

446-1657 Instructions (PDF)

 

Clearance!

 

NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 

 

Ididit 3000315249 Steering Coupler-3/4 In. Double D to 1 In. Double D
                        

No-shift columns use 1" DD u-joints, while shift columns use 3/4"-36 spline u-joints. When using the original steering box, the input shaft will need to be cut and modified into a 3/4" DD.

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

 

Steering Rag Joint, 3/4 Inch-30 Spline x 1 Inch DD
                        

These rage joints make it easier to put an Ididit column in your '55-'57 Chevy car when using an aftermarket steering box. 

Steering U-Joints and Couplers Application Chart (GIF)

Steering Box/Rack/Spline Chart (Link)

Spline Size (Link)