Name: Wheel Front Ltd. Liability Company
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“POWERTRAX GRIP PRO Posi Unit Dana 44 3.73 & Down 30 Spline GT434430” has been added to your cart. View cart

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POWERTRAX Ford 9in 28/31 Spline 1810-lr
SKU: PTX1810-LR
Product information
Weight4.45 lbs
Dimensions10 × 6.1 × 3 in
Product Line
Lock-Right

Intended Purpose
Locker

Spline Count
28, 31

Ring Gear Bolt Quantity
10.0

Material
Steel

Details...
Original price was: $426.93.Current price is: $388.12.Add to cart
Original price was: $426.93.Current price is: $388.12.
Quantity Only 2 left in stock!
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POWERTRAX Lock Right Differential GM 8.5 78-88 28 Spline 1920-LR
SKU: PTX1920-LR
Product information
Weight6.965 lbs
Dimensions9.7 × 6.2 × 3.1 in
Product Line
Lock-Right

Intended Purpose
Locker

Spline Count
28

Ring Gear Bolt Quantity
10.0

Material
Steel

Details...
Original price was: $451.11.Current price is: $410.10.Add to cart
Original price was: $451.11.Current price is: $410.10.
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POWERTRAX Spring Kit 8001001KAV
SKU: PTX8001-001-KAV
Product information
Weight0.045 lbs
Dimensions2.75 × 1.9 × 0.6 in
Material
Steel

Color
Natural

Finish
Natural

Quantity
Kit

Spring 1 Diameter
0.245 in

Details...
Original price was: $14.36.Current price is: $13.05.Add to cart
Original price was: $14.36.Current price is: $13.05.
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POWERTRAX GM 12 Bolt 8.875in 30 Spline Traction Syste 9207883005
SKU: PTX92-0788-3005
Product information
Weight7.8 lbs
Dimensions12.2 × 7.3 × 3.4 in
Product Line
No-Slip

Intended Purpose
Locker

Spline Count
30

Ring Gear Bolt Quantity
8.0

Material
Steel

Details...
Original price was: $557.00.Current price is: $505.99.Add to cart
Original price was: $557.00.Current price is: $505.99.
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POWERTRAX GRIP PRO Posi Unit Ford 8in 28 Spline GT108028
SKU: PTXGT108028
Product information
Weight17.953 lbs
Dimensions9.5 × 8.5 × 8.5 in
Product Line
Grip PRO

Material
Steel

Color
Natural

Finish
Natural

Quantity
Each

Details...
Original price was: $831.00.Current price is: $754.99.Add to cart
Original price was: $831.00.Current price is: $754.99.
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POWERTRAX GRIP PRO Posi Unit Ford 8.8in Rear 31 Spline GT108831
SKU: PTXGT108831
Product information
Weight24.05 lbs
Dimensions9.4 × 8.6 × 8.4 in
Product Line
Grip PRO

Material
Steel

Color
Natural

Finish
Natural

Quantity
Each

Details...
Original price was: $824.00.Current price is: $748.99.Add to cart
Original price was: $824.00.Current price is: $748.99.
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POWERTRAX GRIP PRO Posi Unit Ford 9in 28 Spline GT109028
SKU: PTXGT109028
Product information
Weight18 lbs
Dimensions9.4 × 8.6 × 8.4 in
Product Line
Grip PRO

Material
Steel

Color
Natural

Finish
Natural

Quantity
Each

Details...
Original price was: $754.00.Current price is: $684.99.Add to cart
Original price was: $754.00.Current price is: $684.99.
Quantity Only 3 left in stock!
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POWERTRAX GRIP PRO Posi Unit Ford 9in 31 Spline GT109031
SKU: PTXGT109031
Product information
Weight18.553 lbs
Dimensions10 × 9 × 8.75 in
Brand
POWERTRAX

Condition
New

Type
Differentials and Differential Carriers

Manufacturer Part Number
GT109031

Details...
Original price was: $743.00.Current price is: $674.99.Add to cart
Original price was: $743.00.Current price is: $674.99.
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POWERTRAX GRIP PRO Posi Unit Dana 44 3.73 & Down 30 Spline GT434430
SKU: PTXGT434430
Product information
Weight20.35 lbs
Dimensions9.4 × 8.6 × 8.4 in
Material
Steel

Color
Natural

Finish
Natural

Quantity
Each

Style
Helical Gear

Details...
Original price was: $747.00.Current price is: $678.99.Add to cart
Original price was: $747.00.Current price is: $678.99.
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POWERTRAX GRIP LOK Posi Unit Dana 44 – 30 Spline LK444430
SKU: PTXLK444430
Product information
Weight16.65 lbs
Dimensions9 × 8.8 × 8.5 in
Brand
POWERTRAX

Condition
New

Type
Differentials and Differential Carriers

Manufacturer Part Number
LK444430

Details...
Original price was: $999.00.Current price is: $907.99.Add to cart
Original price was: $999.00.Current price is: $907.99.
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POWERTRAX GRIP LS Ford 8in 28 Spline LS108028
SKU: PTXLS108028
Product information
Weight17.15 lbs
Dimensions9.4 × 8.7 × 8.4 in
Product Line
Grip LS

Material
Steel

Color
Natural

Finish
Natural

Quantity
Each

Details...
Original price was: $707.00.Current price is: $641.99.Add to cart
Original price was: $707.00.Current price is: $641.99.
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POWERTRAX GRIP LS Ford 9in 31 Spline LS109031
SKU: PTXLS109031
Product information
Weight17.655 lbs
Dimensions9.3 × 8.8 × 8.6 in
Product Line
Grip LS

Material
Steel

Color
Natural

Finish
Natural

Quantity
Each

Details...
Original price was: $632.00.Current price is: $573.99.Add to cart
Original price was: $632.00.Current price is: $573.99.
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POWERTRAX GRIP LS – Gm 10 Bolt 8.5 in 28 Spline LS201028
SKU: PTXLS201028
Product information
Weight20.743 lbs
Dimensions9.5 × 8.5 × 8.5 in
Product Line
Grip LS

Material
Steel

Color
Natural

Finish
Natural

Quantity
Each

Details...
Original price was: $618.00.Current price is: $560.99.Add to cart
Original price was: $618.00.Current price is: $560.99.
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POWERTRAX GRIP LS – Gm 10 Bolt 8.5 in 30 Spline LS201030
SKU: PTXLS201030
Product information
Weight20.532 lbs
Dimensions9.4 × 8.7 × 8.5 in
Product Line
Grip LS

Material
Steel

Color
Natural

Finish
Natural

Quantity
Each

Details...
Original price was: $618.00.Current price is: $560.99.Add to cart
Original price was: $618.00.Current price is: $560.99.
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POWERTRAX GRIP LS – Gm 12 Bolt Car 4.1 LS241230
SKU: PTXLS241230
Product information
Weight20.445 lbs
Dimensions9.55 × 8.75 × 8.55 in
Product Line
Grip LS

Material
Steel

Color
Natural

Finish
Natural

Quantity
Each

Details...
Original price was: $554.00.Current price is: $502.99.Add to cart
Original price was: $554.00.Current price is: $502.99.
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POWERTRAX GRIP PRO Posi Unit Ford 9in 35 Spline GT109035
SKU: PTXGT109035
Product information
Weight17.783 lbs
Dimensions9.5 × 8.5 × 8.5 in
Brand
POWERTRAX

Condition
New

Type
Differentials and Differential Carriers

Manufacturer Part Number
GT109035

Details...
Original price was: $753.49.Current price is: $684.99.Read more
Original price was: $753.49.Current price is: $684.99.
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Powertrax makes limited slip and locking differentials for light truck, SUV, and street rod applications. They offer several styles of differentials, with options to fit most common Ford, GM, and Mopar rear ends.

Frequently Asked Questions

What sets Wheel Front Shop apart from the rest?

As an Authorized Automotive Retailer in the United States, we take pride in guaranteeing 100% authentic products from all brands available on our website. With partnerships spanning 1,000+ brands and a network of 20+ distributor warehouses nationwide, we maintain millions of auto parts in inventory across the USA, ensuring quick shipping and reliable service to our customers. When you shop with us, you're investing in quality and trust.

How fast do we process backorders for auto parts?

We believe we have the fastest backorder system in the U.S. auto parts industry, thanks to our strong partnerships with brands and vendors.Nearly all backordered auto parts are shipped directly by the vendors without any additional delays, or they are placed as special orders on the same day. In most cases, backordered parts are delivered within 10-14 days. Shop with Confidence Commitment: If we cannot fulfill your backorder within 30 days, Wheel Front will issue a full refund—no hidden fees, no hassle, and no questions asked. Because your trust matters, we're committed to making every purchase simple, transparent, and worry-free.

Why Choose Our International Shipping?

We offer unbeatable prices and the best shipping rates on auto parts, with exclusive protection and insurance included to safeguard your order from damage or loss. Enjoy convenient door-to-door delivery, real-time tracking, and our 100% satisfaction guarantee for a smooth, worry-free experience.

How long does shipping take?

Our standard shipping typically takes 1-3 business days. We will provide estimated shipping time for each product. While we aim to deliver as quickly as possible, this timeframe ensures all orders are processed, prepared, and dispatched with care. If the products are not ready for shipping in 72 hours, we will refund you 100%

Can I track my order?

Absolutely. Once your order is dispatched, you’ll receive an email with tracking details, so you can follow your shipment every step of the way. Every step of shipping process will be sent through email notifications or using tracking page.

Do you have my product in stock?

Every product page includes a stock level indicator to show what’s available. We always update the inventory 24/24. We’ll be happy to check availability and provide updates on new stock arrivals if you need a help.

My goods arrived damaged, what should I do?

We’re sorry to hear that your order wasn’t delivered in perfect condition. Please email us with your order number, a description of the issue, and photographs of the damaged item. Once we receive this information, we’ll arrange for a replacement or refund and handle the return process.

How do I return an order?

You can return items within 30 days of receipt. Ensure the product is new in its original packaging and securely wrapped for safe transit. Once we receive the item in sellable condition, we’ll issue a full refund for the product value. Contact us for the return address and further instructions.

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