1966 Dodge D300 Series Performance Transmissions
Keep Your 1966 Dodge D300 Series in Top Shape with Quality Performance Transmissions
Whether you’re repairing or upgrading your Performance Transmission, using high-quality parts is key to keeping your 1966 Dodge D300 Series looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Transmission Shift Kits. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.
Competitive Prices and Extensive Inventory
The average price for a 1966 Dodge D300 Series Performance Transmission at Advance Auto Parts is around $141.99, with a range that starts at $83.99 and goes up to $199.99. With 2 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Transpak and Shift Improver Kit start at just $83.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Performance Transmission, don’t forget to check out other key components like Performance Fuel Systems and Performance Oil Filters. At Advance Auto Parts, we’re here to help you keep your 1966 Dodge D300 Series in peak condition, inside and out.
Find Your Specific 1966 Dodge D300 Series Performance Transmissions
Looking for the perfect Performance Transmission for your 1966 Dodge D300 Series? You’re in the right place. Below, you’ll find links to various types of Performance Transmissions that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Performance Transmissions, ensuring durability and a precise fit for your Dodge D300 Series. Whether you’re driving a 1966 model or another popular model year like
1962,
1963,
1964,
1965, and
1967, we’ve got you covered. Purchasing Performance Transmissions from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Performance Transmissions that fit your vehicle.
Essential 1966 Dodge D300 Series Performance Transmissions
B & M – Shift Improver Kit (Part No.10226)
from
$83.99
This B&M Shift Improver kit fits all 1966-1970 Chrysler, Dodge and Plymouth TF727 transmissions with 6 cyl and V8 engines, along with 1966-1977 A-904 transmissions with 6 cyl engines and 1968-1970 A-904 transmissions with V8 engines. This kit recalibrates your automatic transmission for optimum performance, extended life by eliminating shift overlap and excess wear on clutches & bands due to slippage. You get two modes of performance to select from: Stage 1 Heavy Duty, or Stage 2 Street/Strip. Stage 1 gives firm positive shifts without loss of driver comfort for improved shifting performance in all street vehicles. Street/Strip is for high performance street use or for competitive events for the enthusiast who wants the hardest hitting, quickest possible shifts. All you need are basic tools, the included installation instructions and in the space of an afternoon you can turn your transmission into a B&M-tuned unit! Ask the thousands of satisfied customers that have installed one in their transmissions!
Product Features:
See More
Product Features:
- Provides Crisp Shifts
- On Any Stock Automatic Transmission
- Eliminates Soft/Sluggish Shift
- Eliminates Shift Overlap
- Eliminate Clutch and Band Wear
- Improves Transmission Life
- Transmission Removal Not Required
B & M – Transpak (Part No.10228)
from
$199.99
Recalibrate your automatic transmission for optimum performance! Select the mode that best suits your application Improves transmission life Transmission removal not required APPLICATION: 1966 to 1977 Chrysler, Dodge, Plymouth TF A-727 and A-904 The next step up from the Shift Improver Kit is the Transpak. It has all the features in the Shift Improver Kit plus it provides additional driver manual control (GM TH-400, 350, Ford C-6 and Chrysler Torqueflite only). Most stock automatic transmissions won’t downshift into low gear above 15 mph, and automatically upshift at a predetermined speed no matter what gear you’re in. With the Transpak, you can downshift at any speed, and you can hold the transmission in first gear to any speed that you want! This is an asset when you’ve got a modified engine, and you want additional RPMs, or you’re towing a trailer or driving heavy loads downhill. Stage 1. Heavy Duty For street rods, normal passenger vehicles or other heavy duty use. Firmer shift feel but not harsh. Improves transmission performance and life dramatically without loss of comfort. Normal automatic operation when in Drive. Stage 2. Hi-Performance Street For full performance street use. Essentially the same as Heavy Duty mode except shift is much quicker. Retain full automatic features and standard shift points with selector in Drive.
Product Features:
See More
Product Features:
- Recalibrate Auto. Transmission
- Optimum Performance
- Select Your App. Mode
- Improves Transmission Life
- Trans. Removal Not Required
- Downshift At Any Speed
- Great For Trailer Towing
- For Heavy Loads Driving Downhill
Popular 1966 Dodge D300 Series Performance Transmissions Categories
Most Popular Performance Transmission Shift Kits for 1966 Dodge D300 Series
Enhance your 1966 Dodge D300 Series with one of the 2 Performance Transmission Shift Kits we have in stock, starting at just $83.99.
B & M – Transpak (Part No.10228)
from
$199.99
Recalibrate your automatic transmission for optimum performance! Select the mode that best suits your application Improves transmission life Transmission removal not required APPLICATION: 1966 to 1977 Chrysler, Dodge, Plymouth TF A-727 and A-904 The next step up from the Shift Improver Kit is the Transpak. It has all the features in the Shift Improver Kit plus it provides additional driver manual control (GM TH-400, 350, Ford C-6 and Chrysler Torqueflite only). Most stock automatic transmissions won’t downshift into low gear above 15 mph, and automatically upshift at a predetermined speed no matter what gear you’re in. With the Transpak, you can downshift at any speed, and you can hold the transmission in first gear to any speed that you want! This is an asset when you’ve got a modified engine, and you want additional RPMs, or you’re towing a trailer or driving heavy loads downhill. Stage 1. Heavy Duty For street rods, normal passenger vehicles or other heavy duty use. Firmer shift feel but not harsh. Improves transmission performance and life dramatically without loss of comfort. Normal automatic operation when in Drive. Stage 2. Hi-Performance Street For full performance street use. Essentially the same as Heavy Duty mode except shift is much quicker. Retain full automatic features and standard shift points with selector in Drive.
Product Features:
See More
Product Features:
- Recalibrate Auto. Transmission
- Optimum Performance
- Select Your App. Mode
- Improves Transmission Life
- Trans. Removal Not Required
- Downshift At Any Speed
- Great For Trailer Towing
- For Heavy Loads Driving Downhill
B & M – Shift Improver Kit (Part No.10226)
from
$83.99
This B&M Shift Improver kit fits all 1966-1970 Chrysler, Dodge and Plymouth TF727 transmissions with 6 cyl and V8 engines, along with 1966-1977 A-904 transmissions with 6 cyl engines and 1968-1970 A-904 transmissions with V8 engines. This kit recalibrates your automatic transmission for optimum performance, extended life by eliminating shift overlap and excess wear on clutches & bands due to slippage. You get two modes of performance to select from: Stage 1 Heavy Duty, or Stage 2 Street/Strip. Stage 1 gives firm positive shifts without loss of driver comfort for improved shifting performance in all street vehicles. Street/Strip is for high performance street use or for competitive events for the enthusiast who wants the hardest hitting, quickest possible shifts. All you need are basic tools, the included installation instructions and in the space of an afternoon you can turn your transmission into a B&M-tuned unit! Ask the thousands of satisfied customers that have installed one in their transmissions!
Product Features:
See More
Product Features:
- Provides Crisp Shifts
- On Any Stock Automatic Transmission
- Eliminates Soft/Sluggish Shift
- Eliminates Shift Overlap
- Eliminate Clutch and Band Wear
- Improves Transmission Life
- Transmission Removal Not Required
FAQs for 1966 Dodge D300 Series Performance Transmissions
What are the best-selling Performance Transmissions for 1966 Dodge D300 Series?
Out of 2 Performance Transmissions that fit 1966 Dodge D300 Series, the following parts are the top sellers:
- Transpak (17130090) – $199.99
- Shift Improver Kit (17130076) – $83.99
What’s the price range for 1966 Dodge D300 Series Performance Transmissions?
The prices of Performance Transmissions for the 1966 Dodge D300 Series range from $83.99 up to $199.99 for the most premium parts.
What is the average price of a Performance Transmission for a 1966 Dodge D300 Series?
The average price for Performance Transmissions for the 1966 Dodge D300 Series is $141.99. Keep in mind the variety of part types within our Performance Transmission category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Performance Transmissions for other Dodge D300 Series model years?
What are the cheapest Performance Transmissions for my 1966 Dodge D300 Series?
The cheapest 1966 Dodge D300 Series Performance Transmissions we carry are:
- Shift Improver Kit (17130076) – $83.99
- Transpak (17130090) – $199.99
Does Advance Auto Parts sell Performance Transmissions for any other 1966 Dodge models?
Yes. We stock Performance Transmissions for 13 other popular 1966 Dodge models. Some of the most popular are 1966 W300 Series Performance Transmissions, 1966 W200 Series Performance Transmissions, 1966 W100 Series Performance Transmissions, 1966 Polara Performance Transmissions, and 1966 P300 Performance Transmissions.
What types of Performance Transmissions do you sell for my 1966 Dodge D300 Series?
We currently have just 1 Performance Transmission in stock for a 1966 Dodge D300 Series, and as of 11/2/25, it is a Performance Transmission Shift Kit.
Can I get help with 1966 Dodge D300 Series Performance Transmission orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Dodge Performance Transmissions and more.
What is your return policy for Dodge D300 Series Performance Transmissions?
Advance Auto Parts keeps returns simple. For new Dodge D300 Series Performance Transmissions and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.