Description

Lower Shaft Coupler – Internal – 10/10 Spline – Steel – Bulldog Quick Change – Each

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 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.
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. International shipping is not available for engines, hazardous auto parts, and pressurized components.

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.

Reviews

There are no reviews yet.

Be the first to review “DIVERSIFIED MACHINE Internal 10-10 Coupler RRC-1400”

Your email address will not be published. Required fields are marked *

Recently viewed products

  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    ALLSTAR PERFORMANCE Hose Separator -10AN ALL18372

    SKU: ALL18372
    Product information
    Details...
    Original price was: $10.44.Current price is: $9.49.Add to cart
    Original price was: $10.44.Current price is: $9.49.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    PERMATEX Wheel Restore Kit Black 9143

    SKU: PEX09143
    Product information
    • Weight0.205 lbs
    • Dimensions8 × 4 × 1.25 in
    • Product Line

      Wheel Restoration Kit

    • Color

      Black

    • Finish

      Gloss

    • Quantity

      Kit

    • Variant

      Yes

    Details...
    Original price was: $25.82.Current price is: $23.47.Add to cart
    Original price was: $25.82.Current price is: $23.47.
    Quantity Only 4 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    PEM Standard Quick Change Gears 61028

    SKU: PEM61028
    Product information
    • Weight6.7 lbs
    • Dimensions8.2 × 4.9 × 1.6 in
    • Product Line

      Standard

    • Spline

      10

    • Set Number

      28

    • Gear 1 Tooth Count

      19

    • Gear 2 Tooth Count

      30

    Details...
    Original price was: $66.14.Current price is: $60.13.Add to cart
    Original price was: $66.14.Current price is: $60.13.
    Quantity Only 6 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    QA1 Proma-Star C/O Shock – Adjustable DS502

    SKU: QA1DS502
    Product information
    • Weight4.21 lbs
    • Dimensions19.1 × 3.9 × 3.6 in
    • Product Line

      Proma Star Single Adjustable

    • Quantity

      Each

    • Variant

      Yes

    • Variant Group

      Shocks72

    • Variant Column

      Extended Length,Compressed Length

    Details...
    Original price was: $258.45.Current price is: $234.95.Add to cart
    Original price was: $258.45.Current price is: $234.95.
    Quantity Only 8 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    SCS GEARS Quick Change Gear Set 35-PRO

    SKU: SCS35
    Product information
    • Weight5.25 lbs
    • Dimensions5.7 × 5.3 × 3.2 in
    • Product Line

      Professional

    • Spline

      10

    • Set Number

      35

    • Gear 1 Tooth Count

      17

    • Gear 2 Tooth Count

      24

    Details...
    Original price was: $234.40.Current price is: $213.09.Add to cart
    Original price was: $234.40.Current price is: $213.09.
    Quantity Only 4 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    TCI Glide Trans Shield-Blue 970005

    SKU: TCI970005
    Product information
    • Weight9.153 lbs
    • Dimensions15.3 × 12.7 × 12.3 in
    • Style

      Transmission Case

    • Material

      Aluminum

    • Color

      Blue

    • Finish

      Powder Coat

    • Quantity

      Each

    Details...
    Original price was: $182.00.Current price is: $164.95.Add to cart
    Original price was: $182.00.Current price is: $164.95.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    TRUXEDO Bulkhead Tray 1704900

    SKU: TRX1704900
    Product information
    • Weight3.92 lbs
    • Dimensions26 × 13.5 × 8.6 in
    • Quantity

      Each

    • Material

      Plastic

    • Color

      Black

    • Finish

      Natural

    • Intended Mounting Location

      Bed Rails

    Details...
    Original price was: $80.39.Current price is: $66.99.Add to cart
    Original price was: $80.39.Current price is: $66.99.
    Quantity Only 3 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    TRIPLE X RACE COMPONENTS #6 Bulkhead Nut HF-72006BLK

    SKU: TXRHF-72006-BLK
    Product information
    • Weight0.01 lbs
    • Dimensions2.95 × 2 × 0.25 in
    • Head Style

      Hex

    • Material

      Aluminum

    • Color

      Black

    • Finish

      Anodized

    • Quantity

      Each

    Details...
    Original price was: $4.00.Current price is: $3.59.Add to cart
    Original price was: $4.00.Current price is: $3.59.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    WHITELINE PERFORMANCE Control Arm Front Inner Bushings W0506

    SKU: WHIW0506
    Product information
    • Weight0.816 lbs
    • Dimensions5 × 4 × 2 in
    • Quantity

      Kit

    • Upper / Lower Position

      Lower

    • Front / Rear Position

      Front

    • Outside Diameter A

      1.472 in

    • Outer Shell Included

      Yes

    Details...
    Original price was: $77.86.Current price is: $64.88.Add to cart
    Original price was: $77.86.Current price is: $64.88.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    GORILLA Telescoping Lug Wrench 1334

    SKU: GOR1334
    Product information
    • Weight3.13 lbs
    • Dimensions18 × 5.55 × 1.25 in
    • Quantity

      Kit

    • Material

      Steel

    • Color

      Chrome

    • Finish

      Plated

    • Product Line

      Power Wrench

    Details...
    Original price was: $41.66.Current price is: $37.87.Add to cart
    Original price was: $41.66.Current price is: $37.87.Add to wishlist

    23