1. Axle Parts Transmission Drivetrain For Sale
  2. sku: 18279273599042604
  3. QA1 R901N

QA1 R901N Rear End Housing 9IN

R901n Qa1 9in Rear End Housing

( Manufacturer Part Number: R901N ), ( Part Type: Housing ), ( Materials Sourced From: United States ), ( Manufacturer Warranty: 1 Year ), ( Title: Qa1 Axle Housing R901n ), ( Prop 65 Yes/no: Yes ), ( Prop 65 Short Label: Warning )

Review QA1 9in Rear End Housing

The QA1 R901N 9-inch Rear End Housing is a high-performance component designed for serious racers and enthusiasts seeking superior strength and durability for their rear suspension system. This housing is engineered to fit a wide range of applications, making it a versatile option for various racing and high-performance vehicles.

The QA1 R901N Rear End Housing is constructed from heavy-duty, heat-treated steel, ensuring maximum strength to withstand the rigors of high-speed racing and demanding track conditions. Its robust design provides excellent rigidity, reducing flex and ensuring consistent performance.

This housing features a 9-inch diameter, providing ample clearance for larger racing tires and allowing for increased traction and improved handling. It comes equipped with a precision-machined, aircraft-grade aluminum centersection, which not only reduces weight but also ensures accurate gear alignment and smooth operation.

The QA1 R901N Rear End Housing is designed to accommodate various gear ratios and ring-and-pinion sets, making it a flexible option for various racing applications. It also comes with a choice of input and output shaft lengths, offering customization to meet specific vehicle requirements.

This housing is designed with a focus on ease of installation, featuring bolt-in mounting locations and a modular design that allows for easy assembly and disassembly. Additionally, it comes with all necessary hardware and instructions for a straightforward installation process.

The QA1 R901N 9-inch Rear End Housing is a top-of-the-line component designed for those who demand the best from their racing equipment. Its superior strength, versatility, and ease of installation make it a must-have for any serious racing or high-performance application.

Pros and Cons of Buying QA1 R901N 9-inch Rear End Housing

The QA1 R901N 9-inch rear end housing is a popular choice among automotive enthusiasts looking to upgrade their rear suspension system. Here are some potential advantages and disadvantages of investing in this product:

Pros:

1. Enhanced Performance: The 9-inch rear end housing provides better rigidity and strength compared to the standard 8-inch housing. This leads to improved handling, increased traction, and better overall performance.

2. Customizability: QA1 offers various configurations for the R901N housing, allowing customers to choose the one that best fits their specific vehicle and driving style.

3. Durability: The R901N housing is made from high-quality materials, ensuring long-lasting performance even in the most demanding conditions.

4. Improved Safety: The increased rigidity and strength of the 9-inch housing can help reduce the risk of axle failure and other related issues, ensuring a safer driving experience.

Cons:

1. Cost: The QA1 R901N 9-inch rear end housing is a more expensive option compared to the standard 8-inch housing. This may be a deterrent for some buyers, especially those on a tight budget.

2. Installation: Installing the R901N housing can be a complex and time-consuming process, requiring a significant amount of expertise and specialized tools.

3. Weight: The 9-inch housing is heavier than the standard 8-inch housing, which may impact fuel economy and overall vehicle weight.

Conclusion:

The QA1 R901N 9-inch rear end housing offers several advantages for those seeking improved performance, durability, and safety. However, the high cost, complex installation process, and added weight may be deterrents for some buyers. Ultimately, the decision to invest in this product depends on individual priorities, budget, and driving needs.

Recommendation:

If you are an automotive enthusiast looking for better handling, increased traction, and improved safety, the QA1 R901N 9-inch rear end housing may be a worthwhile investment, despite the higher cost and installation complexity. However, if you're on a tight budget or prefer a simpler, more affordable option, you may want to consider other alternatives.

Details:

Housing for 67-69 F and 68-72 GM X Body with QA1 4-Link. 9in Rear End Housing. Part #: R901N.

part #: r901n prices

  • $2430.08-$2543.29

specifications axlpar:

  • mpn: R901n
  • part type: Housing
  • materials sourced from: United States
  • manufacturer warranty: 1 Year
  • title: Qa1 Axle Housing R901n
  • prop 65 yes/no: Yes
  • prop 65 short label: Warning

offer axlpar:

  • availability: In Stock
  • options: Ship-to-home
  • sold: 0
  • started: September 25, 2025
  • quantity: 1

payments axlpar:

  • credit card: Discover
  • wallet: Apple-pay
  • other

general axlpar:

  • condition: New
  • Car Truck Parts Accessories > Transmission Drivetrain > Axle Housings Parts

shipping axlpar:

  • transit: 4-9 Days
  • type: Fixed
  • service: Standard
  • cost: $0.00
  • class: Standard

returns axlpar:

  • policy: Returns Accepted
  • paid by: Seller
  • time: 30 Days

seller axlpar:

  • rating: 100.0%
  • # reviews: 2
  • city: Flint, Michigan
part type: housing, materials sourced from: united states, manufacturer warranty: 1 year, title: qa1 axle housing r901n, prop 65 yes/no: yes, prop 65 short label: warning, category: auto parts > car truck parts accessories > transmission drivetrain > axle housings parts, sku: 18279273599042604,
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5 offers $2430.08–$2543.29 USD
  • New. Offer #1 priced at $2543.29 + $0.00 shipping estimate = $2543.29* total. Now, take your build to the next level with QA1's custom 9" rear housing, engineered to integrate seamlessly with your existing QA1 setup. QA1 .FREE SHIPPING
  • New. Offer #2 priced at $2430.08 + $0.00 shipping estimate = $2430.08* total. ENHANCE YOUR EXISTING QA1 4-LINK QA1's 9" rear housing is designed to bolt seamlessly to your QA1 4-link system, with fully formed trailing arm brackets that minimize flex under heavy loads, enhancing strength and rigidity. QA1 Narrowed 9in.FREE SHIPPING
  • New. Offer #3 priced at $2497.97 + $0.00 shipping estimate = $2497.97* total. Title: QA1 Axle Housing .FREE SHIPPING
  • New. Offer #4 priced at $2637.26 + $0.00 shipping estimate = $2637.26* total. Rear Axle Housing - Ford 9 in - Narrowed - 54.75 in Wide - 5 x 4.75 in Wheel Bolt Pattern - 3 in Tubes - Mounts Included - Solid Axles - Steel - Black Powder Coat - GM F-Body 1967-69 / GM X-Body 1968-72 - Kit.FREE SHIPPING
  • New. Offer #5 priced at $2237.99 + $49.99 shipping estimate = $2287.98* total. Narrowed width for maximum wheel and tire package, Durable Semi-Gloss Powder coat Finish offers long-lasting protection and a clean sleek look, Drain Plug Fill Plug and Jack Pad come standard to make service a breeze, Includes T-bolts and Housing Studs for assembling axle shafts and installing third members, 31-Spline 1541H Alloy Axles support up to 650HP with the housing handling up to 800HP.+$49.99 shipping

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