Our Guarantees
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.
Rear Axle Assembly – Pro Series – 10 in Ring Gear – 4.86 Ratio Standard – 60 in Wide – Hubs / Rotors – Magnesium Center – Kit
Pro Series Modified Rear – 60 Centered Same as Saturday Night Special plus these options REM finished ring and pinion Gun-drilled lower shaft Ultralight aluminum spool M2 treated bearings 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.
- Unbeatable Delivery & Prices – Best shipping rates & auto parts costs.
- Package Exclusive Protection & Insurance Included - Fully protected from damage or loss.
- Door-to-Door Delivery – Sit back and relax. We handle everything.
- Real-Time Tracking Always Updates Guarantee
- 100% Satisfaction Guarantee – We stand by our service to ensure a hassle-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.
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