USA Standard 3.55 Gears (86-93 GT)

USA Standard 3.55 Gears (86-93 GT)
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OUR PRICE$149.99
Yukon Mustang Gears and Axles
Item # 21613G87
Market Price $169.99You Save 12% ($20.00)
Ships the same business day

Product Features

  • USA Standard Gear
  • Manufactured from 8620 gear steel
  • 3.55 gear ratio
  • 8.8" ring gear diameter
  • Fits 1986-1993 LX 5.0, GT, and SVT Cobra Mustangs

RECOMMENDED WITH THIS PRODUCT

$149.99
Add Gear Install Kit
$99.99
Add Traction-LOK Rebuild Kit w/ Carbon Discs
$107.96
Total Price: $149.99
Wake Up Your Pony. Installing a set of steeper gears is a great way to get your Mustang into the power band quicker for improved low end torque and faster acceleration off the line. A set of USA Standard Gears will really wake up your Pony.

Better Than OEM Quality. Using state-of-of-the-art equipment and manufacturing techniques USA Standard Ring & Pinion sets are made to higher than OEM standards from high grade 8620 gear steel and are backed by a one year warranty.

Recommended Upgrade. Changing the rear axle gear ratio will throw off the calibration of your Mustangs speedometer, but a new Speedometer Gear is an inexpensive way to fix this issue.

Application. This USA Standard Gear Ring and Pinion Gear set will fit all 1986 to 1993 V8 Mustangs including the GT, 5.0 LX and Cobra models. A master bearing kit is recommended by most installers, especially on high mileage vehicles, see drop down option above.

Technical Note. Installation costs will vary, but a good rule of thumb is between $250 and $300. Be sure to work with a reliable shop that you trust for installations.

Approximate RPM for 1986-1993 GT


Manual
Gear @25 MPH @35 MPH @45 MPH @55 MPH @65 MPH @75 MPH
1 3689 5165 6641      
2 2179 3050 3921 4793 5664 6536
3 1456 2038 2621 3203 3786 4368
4 1095 1533 1971 2408 2846 3284
5 733 1027 1320 1614 1907 2200


Automatic
Gear @25 MPH @35 MPH @45 MPH @55 MPH @65 MPH @75 MPH
1 2627 3678 4729 5780 6831  
2 1606 2248 2890 3532 4175 4817
3 1095 1533 1971 2408 2846 3284
4 730 1022 1314 1606 1898 2190

Installation Time:

(approx) 4 Hours

Difficulty Level:

Mechanical expertise or professional installation required.

What's in the box?

  • (1) Ring gear
  • (1) Pinion gear

Installation Guides:

What's in the box?

  • (1) Ring gear
  • (1) Pinion gear
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Fitment:
  • Foxbody 86, 87, 88, 89, 90, 91, 92, 93

About USA Standard

Yukon Mustang Gears and Axles
Yukon Gear and Axle build quality parts that exceed expectation, it’s that simple! Yukons in-house engineering team utilizes state-of-the-art computer software to design expectational products that are manufactured in partnership with some of the world’s foremost leaders in OEM manufacturing. Only after rigorous testing and intense quality control inspection can it earn the name Yukon.

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