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      🇺🇸 FREE US SHIPPING FROM $99 | FAST GLOBAL SHIPPING

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          DIVERSIFIED MACHINE EZ 4.12 Mod Rear w/GN Tubes Blt Hubs & Rotors 4.12MODPKG1

          SKU: DMI4.12MODPKG1

          🇺🇸 Express Shipping From USA

          ⏱️ Estimated Shipping: 1-3 days

          🌍 Fast International Shipping Support

          🏅 Not Ready For Shipping In 72 Hours, 100% Refund

          Original price was: $4,431.96.Current price is: $4,029.05.

          In stock

          1 in stock

          Buy now
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          Your purchase is fully covered and protected. We aren't paid until your order is verified and shipped. Learn more.

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          Product information
          Material

          Magnesium
          Color

          Black
          Finish

          Natural
          Quantity

          Kit
          Variant

          Yes
          Hardware Included

          Yes
          Variant Group

          Complete Quick Change Rear-Ends21
          Variant Column

          Ring and Pinion Ratio,REM Finished Ring and Pinion
          Product Line

          Saturday Night Special EZ Series
          Overall Width

          60 in
          Tubes Included

          Yes
          Tube Diameter

          2-1/2 in
          Tube Material

          Steel
          Tube Color

          Polished
          Tube Finish

          Polished
          Ring Gear Diameter

          10 in
          Ring And Pinion Included

          Yes
          Ring And Pinion Ratio

          4.12
          Fill Hole

          Yes
          Fill Hole Thread

          10 AN
          Drain Hole

          Yes
          Vent

          Yes
          Gear Oil Included

          Yes
          Gear Oil Product Line

          Bulldog Blood
          Gear Oil Type

          Synthetic
          Gear Oil Weight

          75W-90
          Gear Oil Volume

          1 gal
          Gear Oil Quantity

          Each
          Thermal Coated

          Yes
          Centered Pinion

          Yes
          Axles Included

          Yes
          Axles Gundrilled / Solid

          Gundrilled
          Hubs Included

          Yes
          Hub Material

          Billet Steel
          Races Included

          Yes
          O-Rings Included

          Yes
          Dust Cap Included

          Yes
          Bearings Included

          Yes
          Seals Included

          Yes
          Brake Rotors Included

          Yes
          Brake Rotor Diameter

          11.750 in
          Brake Rotor Thickness

          0.810 in
          Brand

          Type

          Condition

          Manufacturer Part Number (MPN)

          4.12MODPKG1
          Description
          Rear Axle Assembly - Saturday Night Special EZ Series - 10 in Ring Gear - 4.12 Ratio Standard - 60 in Wide - Magnesium Center - Kit Saturday Night Special EZ Series - 60 centered 100% magnesium center section and bells O-ringed rear cover Inspection plug and fill level plug Breather assembly Aluminum spool Correct length center hardware Bell to tube hardware -10an Fitting for fill can Precision ground heat treated lower shaft Black Thermal coating Bulldog blood gear oil Low drag seals Complete package w/2.5 GN axle tubes, gun-drilled axles, billet steel hubs & 11-3/4 x .810 vented rotors.
          Features
          • Wheel Front is the USA Automotive Authorized Retailer
          • High-Performance Automotive Parts
          • 100% Legit Auto Parts From USA
          • 100% Satisfaction Guarantee
          • Low Price and Vehicle Fitment Guarantee
          • Inventory Monitoring Guarantee

          Description

          Rear Axle Assembly – Saturday Night Special EZ Series – 10 in Ring Gear – 4.12 Ratio Standard – 60 in Wide – Magnesium Center – Kit
          Saturday Night Special EZ Series – 60 centered 100% magnesium center section and bells O-ringed rear cover Inspection plug and fill level plug Breather assembly Aluminum spool Correct length center hardware Bell to tube hardware -10an Fitting for fill can Precision ground heat treated lower shaft Black Thermal coating Bulldog blood gear oil Low drag seals Complete package w/2.5 GN axle tubes, gun-drilled axles, billet steel hubs & 11-3/4 x .810 vented rotors.

          Why Choose Us?



          Frequently Asked Questions​

          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.
          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 5-10 days.
          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.
          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%
          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.
          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.
          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.
          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.

          Global Shipping Estimates (Ships from USA)

          Destination Region Est. Delivery Time Estimated Cost
          🇨🇦 Canada 5 - 7 Days
          DHL UPS USPS FedEx
          		From $50.00 USD
          🇪🇺 European Countries 5 - 7 Days
          DHL UPS USPS FedEx
          		From $70.00 USD
          🇦🇺 Australia 5 - 7 Days
          DHL UPS USPS FedEx
          		From $110.00 USD
          🇦🇪 United Arab Emirates 5 - 7 Days
          DHL UPS USPS FedEx
          		From $100.00 USD
          🇸🇦 Saudi Arabia 5 - 7 Days
          DHL UPS USPS FedEx
          		From $100.00 USD
          🇯🇵 Asia Countries 5 - 7 Days
          DHL UPS USPS FedEx
          		From $130.00 USD
          *Note: These are estimated costs for a standard package. Exact shipping fees will be calculated at checkout using live rates based on your specific location and cart weight.

          About DIVERSIFIED MACHINE

          Diversified Machine manufacturers a full range of sprint car components, including hubs, steering and suspension parts, gear sets, brake components, and more. One of their signature products is the Bulldog quick-change rear end unit, available for both full-size and midget sprint cars.

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