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Apex Covered Universal Joint (aka: Helicopter Joints)

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Brand: Apex Universal Joints

These high-quality, heavy-duty universal joints are manufactured to Military Specification MS-20271. Their strong yet compact, thin wall construction allows them to fit into those tight spots commonly found on shift linkages of mid-engine cars.

Each joint is permanently lubricated and covered with a silicone rubber boot to exclude dirt. They are designed for cross-bolting, pinning, or welding to a close fitting shaft or torque tube. (Welding must be done carefully to prevent heat damage.*) Maximum operation angle 30°.

Our part numbers refer to the Inside Diameter of the joint (OD of the linkage rod or tube). Stepped sizes are not available. If two different diameter tubes must be joined, a bushing must be added to the smaller one. Sold individually.

Apex Covered Universal Joint Dimensions
Bore Size
(ID)
MS Part No. Overall
Length
Sleeve OD Sleeve
Depth
Static Torque Rating (Inch-Pounds) Weight (oz) Part No.
1/4" MS20271‑B6 2"3/8"1/2"200 in-lb 1.2 1490-1/4
3/8" MS20271‑B8 2 5/8"1/2"5/8"600 in-lb 1.5 1490-3/8
1/2" MS20271‑B10 2 3/4"5/8"3/4"1080 in-lb 3 1490-1/2
5/8" MS20271‑B12 3 3/16"3/4"7/8"1900 in-lb 4 1490-5/8
3/4" MS20271‑B14 3 5/8"7/8"1"3000 in-lb 6 1490-3/4
13/16" MS20271‑B16 4 1/16"1"1 3/16"4700 in-lb 9 1490-13/16
1 1/16" MS20271‑B20 4 5/8"1 1/4" 1 1/8"9500 in-lb 15 1490‑1 1/16
1 1/4" MS20271-B24 5 1/4"1 1/2"1 5/16"14,500 in-lb 18 1490‑1 1/4


*If you plan to weld these joints, you need our Anti-Heat° Heat Sink Compound to protect the joint and boot from welding heat.

If you plan to cross-bolt these joints, don't forget to order saddle washers (sold separately) to provide a proper bearing surface:
Saddle Washers for #10 Bolts
Saddle Washers for 1/4" Bolts

Enter desired order quantities below, then click the "Add selected quantities to cart" button.

Order Qty
Part No.
Desc.
Price
Status

1490-1/4
Condition: New

Apex Covered Universal Joint, 1/4 inch Bore

1 to 3: $184.99

4 to 15: $170.90

16 & up: $156.81

In Stock

1490-3/8
Condition: New

Apex Covered Universal Joint, 3/8 inch Bore

1 to 3: $119.99

4 to 15: $110.59

16 to 59: $101.18

60 & up: call   

In Stock

1490-1/2
Condition: New

Apex Covered Universal Joint, 1/2 inch Bore

1 to 3: $109.99

4 to 15: $101.32

16 to 59: $92.64

60 & up: call   

In Stock

1490-5/8
Condition: New

Apex Covered Universal Joint, 5/8 inch Bore

1 to 3: $109.99

4 to 15: $101.32

16 to 59: $92.64

60 & up: call   

In Stock

1490-3/4
Condition: New

Apex Covered Universal Joint, 3/4 inch Bore

1 to 3: $124.99

4 to 15: $115.22

16 to 59: $105.45

60 & up: call   

In Stock

1490-13/16
Condition: New

Apex Covered Universal Joint, 13/16 inch Bore

1 to 3: $169.99

4 to 15: $156.98

16 to 59: $143.96

60 & up: call   

In Stock

1490-1 1/16
Condition: New

Apex Covered Universal Joint, 1 1/16 inch Bore

1 to 3: $229.99

4 to 15: $212.71

16 to 59: $195.43

60 & up: call   

In Stock

1490-1 1/4
Condition: New

Apex Covered Universal Joint, 1 1/4 inch Bore

1 to 3: $309.99

4 to 15: $287.11

16 to 59: $264.23

60 & up: call   

In Stock
 
Related Product Groups
Shift Linkage Parts & Accessories

REVIEW SNAPSHOT®

by PowerReviews
Apex Covered Universal Joint (aka: Helicopter Joints)
 
4.7

(based on 3 reviews)

Ratings Distribution

  • 5 Stars

     

    (2)

  • 4 Stars

     

    (1)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Reviewed by 3 customers

Displaying reviews 1-3

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5.0

Apex Covered Univesral Joint

By Buc01

from Moore, OK

Verified Buyer

Comments about Apex Covered Universal Joint (aka: Helicopter Joints):

Perfect solution for the old worn out u-joints on my 1991 VF FC shift linkage. I really like how Pegasus matched the correct bold and saddle washers to the universal joint. When I went to install them, the bolts and saddle washers worked perfectly.

(1 of 1 customers found this review helpful)

 
5.0

High quality

By mimitabu

from Japan

Verified Buyer

Comments about Apex Covered Universal Joint (aka: Helicopter Joints):

This parts are very high quality.

(2 of 2 customers found this review helpful)

 
4.0

Strong with low profile

By Cap98

from Denver

Verified Buyer

Comments about Apex Covered Universal Joint (aka: Helicopter Joints):

Works great and useful in tight spots.

Displaying reviews 1-3

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