SKU: 54271335247

SpeedFactory AWD B-Series Billet Transfer Case

Sale price$508.57 Regular price$565.08
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Ships within 48 hours · Estimated delivery Jul 17 - Jul 22

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Description

SpeedFactory AWD B-Series Billet Transfer CaseThe SpeedFactory Racing AWD B Series Billet Transfer Case is your ultimate choice precise, accurate, & pain free to build unlike others. Proven in SpeedFactory's 6 second 2000hp B Series OUTLAWD drag car. Unmatched quality & unrivaled performance, a truly functional work of art as noted by all the top teams and shops that have made this housing the foundation of choice for their AWD B Series racing transfer cases. Machined from a Solid 7075 T6

The SpeedFactory Racing AWD B-Series Billet Transfer Case is your ultimate choice - precise, accurate, & pain-free to build unlike others. Proven in SpeedFactory's 6 second 2000hp B-Series OUTLAWD drag car. 

Unmatched quality & unrivaled performance, a truly functional work of art as noted by all the top teams and shops that have made this housing the foundation of choice for their AWD B-Series racing transfer cases. 

Machined from a Solid 7075-T6 Aluminum Billet, SpeedFactory's design is massively stronger than the weak cast OEM case and ~85% stronger than the typically used 6061-T6. You won't be breaking this housing!

Included Items:

  • 7075-T6 Billet Housing with inspection cover and bearing cap
  • Output shaft seal
  • SFR Titanium dowel pin
  • Grade 10.9 bolts
  • All needed O-rings for 4-bolt inspection cover, 5-bolt bearing cap, and main housing 

Superior Incorporated Design Features & Benefits:

  • High strength 7075-T6 billet aluminum body
  • The bearing cap is also 7075-T6 with ultra thick under-bolt mounting flange and is the strongest available. This keeps the hypoid gears in position better than others - hypoid separation under power is a well-known B-Series transfer case design issue that contributes to breakage
  • Large inspection cover makes assembly and inspection a breeze.
  • Includes solid titanium dowel pin which eliminates the usual OEM dowel failures
  • No more dealing with multiple different length mounting bolts like OEM - supplied with x4 identical mounting bolts that precisely locate into machined pockets on the transfer case body to stop case rotation under hard launches and eliminates the need for a transfer case to block brace.
  • These unique design elements are the result of cumulative real world experience via our engineering, transmission building, and race teams to deliver the ultimate combination of ease of use and strength - you are getting a product that is track tested & proven to deliver ease of use and strength under the most extreme conditions in the World's Fastest B-Series AWD drag cars. 

Pair with our AWD B-Series Billet Bellhousing for the ultimate proven B-Series AWD combo!

NOTE: You must have a '99-'01 "PEP" stamped oem transfer case to start building from. Earlier "PBX" stamped transfer cases are not compatible. Requires assembly and shimming to OEM specifications. It is HIGHLY recommended that you have the assembly & installation performed by a reputable specialist that is experienced in building these transfer cases. Compatible with all currently known B-Series transfer drive & hypoid gear sets.

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 54271335247

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4.1 ★★★★★
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Paige
Grantham, US
★★★★★ 5
Definitely worth the price
Size: 6.5, Color: Black/Black
Absolutely love these boots! I originally bought them to wear in NYC in December & they did not disappoint. They were comfortable, cute, durable and worked well in the slush/snow. The traction on the bottom is also nice! They kept me warm with wool socks. I wear them almost daily now. Perfect for everyday. easy to wear with variety of outfits. Good every day shoe.
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Reviewed in the United States on January 3, 2026
K
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Kimberly
Draper, US
★★★★★ 5
Snagged a deal
Size: 7, Color: Redwood/Gum 10
I waited and waited to get these boots! I knew I was chancing it, but they went on sale, and I snagged them! I am a size 7, and they fit nicely with socks. a little loose, barefooted, but what psycho wears boots without socks? They are comfortable and really well-made.
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Reviewed in the United States on April 8, 2026
A
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ashlynnk
Lowell, US
★★★★★ 4
Cute, comfortable waterproof boots (a little snug to put on)
Size: 7, Color: Velvet Tan/Gum 2
These are really cute Chelsea-style boots and feel very comfortable once they’re on. The waterproof material is great for wet weather and the sole feels sturdy with good traction. They look stylish enough to wear casually but still feel practical for rainy days. The only downside is they can be a little difficult to put on at first because the opening is somewhat snug, but once they’re on they fit well and feel supportive. Overall they’re a great waterproof boot and I’ve enjoyed wearing them.
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Reviewed in the United States on March 17, 2026
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Verified Purchase
Abby B
Alexandria, US
★★★★★ 5
Surprisingly great for my wide feet and high instep!
Size: 10.5, Color: Velvet Tan/Gum 2
So thrilled I took a chance on these. Finding boots is impossible for me. I have wide feet, a super high instep, a bunion on one foot, and I wear a hard to find size (10.5). I ordered the 10.5 and 11 in these expecting I might need to size up for width (if I could even get them on). It was a struggle getting the 10.5s on the first time, and once I did they were somewhat uncomfortable on the top of my left foot. But I read that they would relax so decided to give it a go because I need waterproof boots for an upcoming trip and the 11s felt too long. After two days of light wear, they are already breaking in and I have no more discomfort. Getting them on is already easier and they are plenty wide enough and very comfortable to walk in. These are true to size. Super happy and worth a day of mild discomfort to break them in!
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Reviewed in the United States on March 7, 2026
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EE
Omaha, US
★★★★★ 5
Comfortable, sturdy, waterproof
Size: 9.5, Color: Black/Black
Loce, love, love these boots. Have walked ten miles with no foot pain around NYC. They go with everything and and are so comfortable. As they are waterproof/resistant, they get a little warm in high temps, but perfect three-season boots.
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Reviewed in the United States on May 17, 2026

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