Description

Quick Change Gear Set – 8500 Series – Set 20A – 10 Spline – 4.12 Ratios 5.30 / 3.20 – 4.86 Ratios 6.25 / 3.78 – 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 8520A”

Your email address will not be published.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

Recently viewed products

  • Add to wishlist
    Sale
    Placeholder
    Add to wishlist

    STILO Spoiler Front ST6 YA0928

    SKU: STIYA0928
    Product information
    Details...
    Original price was: $64.00.Current price is: $57.39.Add to cart
    Original price was: $64.00.Current price is: $57.39.
    Quantity Only 5 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MSD IGNITION Cam Sync Plug – BBC w/ Tall Deck Block 85142

    SKU: MSD85142
    Product information
    • Weight2.9 lbs
    • Dimensions12.4 × 8.4 × 4.6 in
    • Adjustable

      Yes

    • Material

      Aluminum

    • Color

      Natural

    • Finish

      Anodized

    • Quantity

      Each

    Details...
    Original price was: $495.00.Current price is: $449.95.Add to cart
    Original price was: $495.00.Current price is: $449.95.
    Quantity Only 5 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MSD IGNITION Replacement Rotor for #7455 7423

    SKU: MSD7423
    Product information
    • Weight0.5 lbs
    • Dimensions6.6 × 6.4 × 3.2 in
    • Product Line

      Pro-Cap

    • Material

      Plastic

    • Color

      Red

    • Finish

      Natural

    • Quantity

      Each

    Details...
    Original price was: $82.00.Current price is: $74.29.Add to cart
    Original price was: $82.00.Current price is: $74.29.
    Quantity Only 6 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MILODON BBC Timing Pointer – 6.325 ATI Balancer 65763

    SKU: MIL65763
    Product information
    • Weight0.29 lbs
    • Dimensions9.85 × 5.8 × 1.65 in
    • Quantity

      Each

    • Style

      Pointer

    • Balancer Outside Diameter

      6.325 in

    • Adjustable

      Yes

    • Hardware Included

      Yes

    Details...
    Original price was: $45.94.Current price is: $39.95.Add to cart
    Original price was: $45.94.Current price is: $39.95.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    LOKAR 2in Shift Knob Solid Round Brushed SK-6912

    SKU: LOKSK-6912
    Product information
    • Weight0.46 lbs
    • Dimensions7.65 × 5.85 × 2.05 in
    • Quantity

      Each

    • Variant

      Yes

    • Variant Group

      ShifterKnobs5

    • Variant Column

      Color,Finish

    • Material

      Aluminum

    Details...
    Original price was: $57.15.Current price is: $51.95.Add to cart
    Original price was: $57.15.Current price is: $51.95.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    LOKAR Engine Dipstick Ford 302 Engine ED-5013

    SKU: LOKED-5013
    Product information
    • Weight0.66 lbs
    • Dimensions28.9 × 2.4 × 2.2 in
    • Quantity

      Each

    • Mount Location

      Oil Pan

    • Flexible / Solid

      Flexible

    • Tube Material

      Braided Stainless

    • Tube Color

      Natural

    Details...
    Original price was: $114.00.Current price is: $102.95.Add to cart
    Original price was: $114.00.Current price is: $102.95.
    Quantity Only 3 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    SKYJACKER Black Max Shock W/Black Boot B8558

    SKU: SKYB8558
    Product information
    • Weight5.765 lbs
    • Dimensions24.55 × 3.2 × 3.15 in
    • Product Line

      Black MAX

    • Internal Design

      Twintube

    • Gas/Hydraulic

      Hydraulic

    • Compressed Length

      14.82 in

    • Extended Length

      24.84 in

    Details...
    Original price was: $70.00.Current price is: $62.91.Add to cart
    Original price was: $70.00.Current price is: $62.91.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    TRANSGO Reprogramming Kit Ford AODE/4R70E/4R75E 91-Up AODE-HD2

    SKU: TGOAODE-HD2
    Product information
    • Weight2.07 lbs
    • Dimensions15.6 × 11.75 × 1.96 in
    • Quantity

      Kit

    • Product Line

      Gear Command

    • Accumulator Springs Included

      Yes

    • Converter Charge Manual Valve Included

      Yes

    • Bushings Included

      Yes

    Details...
    Original price was: $176.00.Current price is: $159.43.Add to cart
    Original price was: $176.00.Current price is: $159.43.
    Quantity Only 9 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HALTECH UC-10 Digital Dash HT-068000

    SKU: HTHHT-068000
    Product information
    • Weight4.59 lbs
    • Dimensions12.5 × 9 × 4 in
    • Product Line

      UC-10

    • Quantity

      Kit

    • Universal Dash Kit Included

      Yes

    • Data Logger

      Yes

    • Programmable

      Yes

    Details...
    Original price was: $2,294.25.Current price is: $1,995.00.Add to cart
    Original price was: $2,294.25.Current price is: $1,995.00.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    VIBRANT PERFORMANCE Standard Flex Coupling W/Inner Braid Liner 3In 63006

    SKU: VIB63006
    Product information
    • Weight1.76 lbs
    • Dimensions6.6 × 4.55 × 4.5 in
    • Product Line

      Standard Flex

    • Style

      Braided

    • Inlet Diameter

      3 in

    • Outlet Diameter

      3 in

    • Length

      6 in

    Details...
    Original price was: $71.40.Current price is: $59.50.Add to cart
    Original price was: $71.40.Current price is: $59.50.
    Quantity Only 3 left in stock!
    -+
    Add to cart
    Add to wishlist

    112