Description

Quick Change Gear Set – 8500 Series – Set 7A – 10 Spline – 4.12 Ratios 4.71 / 3.61 – 4.86 Ratios 5.55 / 4.25 – Steel – Polished – 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 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.

About WINTERS

For more than 60 years, Winters Performance Products has been producing high-performance rear ends and driveline components for racing and street use. Their product offering includes everything from quick-change gear sets to shifter assemblies, as well as many components specifically for the sprint car market.

International Shipping

Below are estimated rates and delivery times for popular destinations; full carrier options are available at checkout.

Our dedicated team has years of experience managing international logistics and customs documentation to ensure smooth delivery from our US warehouse to your door. Please review our shipping policy and local import regulations before ordering.

Loading international estimates...

Reviews

There are no reviews yet.

Be the first to review “WINTERS Quick Change Gears 8507A”

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

    MSD IGNITION Crank Trigger Wheel ASY12731

    SKU: MSDASY12731
    Product information
    • Weight0.61 lbs
    • Dimensions8.15 × 6.95 × 1.05 in
    • Quantity

      Each

    • Material

      Aluminum

    • Color

      Red

    • Finish

      Anodized

    • Product Line

      Flying Magnet

    Details...
    Original price was: $354.61.Current price is: $322.37.Add to cart
    Original price was: $354.61.Current price is: $322.37.
    Quantity Only 3 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MSD IGNITION Replacement Shaft ASY11145

    SKU: MSDASY11145
    Product information
    • Weight0.78 lbs
    • Dimensions12 × 1.85 × 0.75 in
    • Quantity

      Each

    • Outside Diameter

      0.563 in

    • Length

      11.375 in

    • Material

      Chromoly

    • Color

      Black

    Details...
    Original price was: $150.07.Current price is: $136.43.Add to cart
    Original price was: $150.07.Current price is: $136.43.
    Quantity Only 4 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    QA1 Pro C/O Shock – Double Adjustable GM GD401

    SKU: QA1GD401
    Product information
    • Weight3.9 lbs
    • Dimensions19.1 × 3.9 × 3.6 in
    • Product Line

      401 GM Front Coil-Over Shock

    • Internal Design

      Twintube

    • Gas/Hydraulic

      Hydraulic

    • Threaded Body

      Yes

    • Recommended Spring Length

      10 in

    Details...
    Original price was: $418.00.Current price is: $379.95.Add to cart
    Original price was: $418.00.Current price is: $379.95.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    LUND Proline Replacement Nylon Carpet 120110

    SKU: LUN120110
    Product information
    • Weight3.8 lbs
    • Dimensions38.25 × 10.25 × 1.75 in
    • UPC Code

      612959201102

    • Brand

    • Condition

    • Type

    • Manufacturer Part Number

      120110

    Details...
    Original price was: $75.78.Current price is: $68.89.Add to cart
    Original price was: $75.78.Current price is: $68.89.
    Quantity Only 5 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    SEASUCKER Window Cable Anchor BA8912

    SKU: SESBA8912
    Product information
    • Weight2.4 lbs
    • Dimensions18.4 × 6.65 × 2.85 in
    • Product Line

      OnGuard

    • Quantity

      Each

    • Variant

      Yes

    • Variant Group

      Roof Rack Components1

    • Variant Column

      Length

    Details...
    Original price was: $92.40.Current price is: $77.00.Add to cart
    Original price was: $92.40.Current price is: $77.00.
    Quantity Only 3 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    SKYJACKER Spring Bushing Kit 67-87 GM SE11C

    SKU: SKYSE11C
    Product information
    • Weight1.5 lbs
    • Dimensions7.8 × 7.2 × 4.6 in
    • Quantity

      Kit

    • Material

      Polyurethane

    • Color

      Red

    • Finish

      Natural

    • Front/Rear Spring Eye Position

      Front / Rear

    Details...
    Original price was: $50.00.Current price is: $45.05.Add to cart
    Original price was: $50.00.Current price is: $45.05.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    IDIDIT Flasher Kit 3100037542

    SKU: IDI3100037542
    Product information
    Details...
    Original price was: $71.00.Current price is: $64.00.Add to cart
    Original price was: $71.00.Current price is: $64.00.
    Quantity Only 3 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    THERMO-TEC Header Paint (Black) 12001

    SKU: THE12001
    Product information
    • Weight1.03 lbs
    • Dimensions7.85 × 2.7 × 2.65 in
    • Quantity

      Each

    • Variant

      Yes

    • Finish

      Satin

    • Variant Group

      Paint24

    • Variant Column

      Base Color,Manufacturer Color Name

    Details...
    Original price was: $19.00.Current price is: $17.12.Add to cart
    Original price was: $19.00.Current price is: $17.12.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HEDMAN Header Gaskets – Range Rover V8 27650

    SKU: HED27650
    Product information
    • Weight0.23 lbs
    • Dimensions16.8 × 4.05 × 0.3 in
    • Material

      Steel Core Laminate

    • Quantity

      Set of 4

    • Thickness

      0.0625 in

    • Port Shape

      Stock

    • Port Height

      1.75 in

    Details...
    Original price was: $20.45.Current price is: $18.59.Add to cart
    Original price was: $20.45.Current price is: $18.59.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HEDMAN Gen/Alt Bracket 20040

    SKU: HED20040
    Product information
    • Weight0.685 lbs
    • Dimensions6.4 × 4.6 × 4.4 in
    • Material

      Steel

    • Color

      Black

    • Finish

      Powder Coat

    • Quantity

      Each

    • Driver / Passenger Side Mount

      Driver Side

    Details...
    Original price was: $28.30.Current price is: $25.73.Add to cart
    Original price was: $28.30.Current price is: $25.73.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist

    113