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Yukon Gear & Axle YPKF9-S-31-4 Standard Open Spider Gear Kit 9 Inch Ford 31 Spline

(Ford F-150 1975-87, Mustang 1965-73, Bronco 1966-86, Thunderbird 1955-79, Maverick 1970-77, Galaxie 500 1962-74, F-100 1957-83 + 24 more models)

Manufacturer

Picture for manufacturer Yukon Gear & Axle

Part Number

YPKF9-S-31-4
10 reviews
Sale Price

$234.14

1 left at this price

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The Yukon Gear & Axle YPKF9-S-31-4 is a standard open differential spider gear kit designed specifically for 9-inch Ford differentials with 31 spline axles. This complete kit features a robust 4-pinion design that provides improved load distribution and durability compared to 2-pinion configurations.

Key Features:

  • Direct replacement for 9-inch Ford open differentials with 31 spline axles
  • 4-pinion design for enhanced strength and wear characteristics
  • Manufactured with higher quality materials than OEM specifications
  • Advanced production techniques ensure superior longevity and performance
  • Complete kit includes all spider gears and pinion components needed for installation
  • Backed by a one-year warranty against manufacturing defects

Yukon Gear & Axle's commitment to quality means this spider gear set is engineered to outlast standard replacement parts. Ideal for restoration projects, performance upgrades, or replacing worn differential components in Ford 9-inch rear ends commonly found in classic muscle cars, hot rods, and custom applications.

Products specifications

Fits

Ford F-150 1975-87, Mustang 1965-73, Bronco 1966-86, Thunderbird 1955-79, Maverick 1970-77, Galaxie 500 1962-74, F-100 1957-83, Fairlane 1957-70, Ranchero 1957-79, Torino 1968-76, Bronco II 1984-86, Falcon 1960-70, Galaxie 1959-67 + 18 more models

Prop 65

No

"WOW" By far the best prices around, great customer service and quick shipping.

Great Price on products and Shipping

Great Item(Husky floor mats) it was the cheapest price I could find and item arrived new in box no damage. It also arrived in a very timley manner(3days)

The order was easy and shipment was fast.They had what i was looking for at a great price.

Shipping time sucks ass...... I ordered on Monday and I was told it ships 24 business hours after order. The item shipped late 3 day and will not receive my item until Wendsday a week and two days later talk about snail mail!!!!!! N

Excellent experience. Shipped when they said it would ship. Very good web site to navigate through.<br>Thank you, Autoplicity

Great product at a a great price!

Great price!<br>Super fast shipping!<br>Conviently allow us to pay with Amazon log in and PayPal etc.<br>I ordered Jeep Rubicon Express part I couldn't find anywhere else.

Sweet price and in stock :

Fast and inexpensive. Thanks.

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