My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

Yukon Gear & Axle YPKF9-P-28-4 Positraction Spider Gear Set 4-Pinion 28 Spline

(Ford F-150 1975-87, Mustang 1965-73, Bronco 1966-86, Thunderbird 1955-79, Maverick 1970-77, Galaxie 500 1968-74, F-100 1957-83 + 17 more models)

Manufacturer

Picture for manufacturer Yukon Gear & Axle

Part Number

YPKF9-P-28-4
8 reviews
Sale Price

$233.03

1 left at this price

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Yukon Gear & Axle YPKF9-P-28-4 Positraction internal spider gear set is engineered for 8-inch and 9-inch Ford differentials equipped with 28-spline axles. This premium 4-pinion design provides enhanced traction and durability for street, off-road, and performance applications.

Key Features:

  • 4-pinion spider gear configuration for improved strength and load distribution
  • Compatible with 8-inch and 9-inch Ford differentials with 28-spline axles
  • Manufactured from higher quality materials than OEM components
  • Advanced manufacturing techniques ensure extended service life
  • Direct replacement for worn or damaged positraction internals
  • Does not include clutch packs (clutches sold separately)
  • Backed by a one-year warranty against manufacturing defects

This spider gear kit is ideal for rebuilding limited-slip differentials in Ford trucks, Mustangs, and other vehicles equipped with 8-inch or 9-inch rear ends. Yukon's superior metallurgy and precision machining deliver reliable performance and longevity that exceeds factory specifications.

Products specifications

Fits

Ford F-150 1975-87, Mustang 1965-73, Bronco 1966-86, Thunderbird 1955-79, Maverick 1970-77, Galaxie 500 1968-74, F-100 1957-83, Fairlane 1957-70, Ranchero 1957-79, Falcon 1960-70, Galaxie 1959-67, Gran Torino 1972-76 + 12 more models

Prop 65

No

Great communication and fast shipping using FedEx Home. My packages can even be delivered on Saturday. Great prices on hard to find parts. I would definitely buy from again. Thanks

I just received my Knn filter. Shipment was on time. The box look beat up and deformed with a lot of tapes but the filter seems to be in good condition.

Great Prices! and Great Customer Service thanks again!

Every time I use autoplicity its always a smooth transaction and great price. Thanks

Fast ship, great price. I will purchase merchandise from them again.

Excellent service. I called in Monday for a hard to find item which I had ordered from several other online shops who despite saying were In Stock online were not actually in stock at all and the orders were canceled after waiting a week to find out. They had the item in stock as listed on their website and shipped the next day. The price was the cheapest of anyone who actually had the item in stock by a substantial amount.

Best price anywhere for a brand name item. Fast inexpensive shipping!

i was advised by all internet sources, and the manufacturer that the part i needed was out-of-stock and discontinued, when i used google shopping, autoplicity not only had the part but they were the most reasonably priced! my order was delivered to my door in 3 days. color me a satisfied customer, and yes i will used autoplicity again, soon!

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy