1970 Pontiac LeMans Performance Transmissions

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Keep Your 1970 Pontiac LeMans 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 1970 Pontiac LeMans looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Transmission Rebuild Kits, Performance Transmission Dipstick Tubes, and 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 1970 Pontiac LeMans Performance Transmission at Advance Auto Parts is around $231.22, with a range that starts at $49.99 and goes up to $511.99. With 5 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Automatic Transmission Dipstick With Tube, Transpak For 65-87 TH400 Transmission, and Transkit For 65-87 TH400 Transmission start at just $49.99 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 Air Filters and Performance Fuel Systems. At Advance Auto Parts, we’re here to help you keep your 1970 Pontiac LeMans in peak condition, inside and out.

Essential 1970 Pontiac LeMans Performance Transmissions

B & M – Transpak For 65-87 TH400 Transmission (Part No.20228)

Transpak For 65-87 TH400 Transmission

from

$166.99
The B&M Transpak has all the features in the Shift Improver Kit, plus it provides additional driver manual control. Retain full automatic features and standard shift points with selector in Drive.

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
See More

B & M – Transkit For 65-87 TH400 Transmission (Part No.20229)

Transkit For 65-87 TH400 Transmission

from

$511.99
A B&M transmission in a box! Transform your automatic transmission into a full-tilt B&M performer! This is our ultimate transmission kit – it comes complete with full instructions on how to assemble your transmission to B&M specifications.

Product Features:
  • High Perf. Friction Materials
  • Complete Overhaul Gasket Set
  • Modification Components
  • Replacement Valves
  • Replacement Springs
  • Drain Plug Kit Included
See More

Mr. Gasket – Automatic Transmission Dipstick With Tube (Part No.9690)

Automatic Transmission Dipstick With Tube

from

$49.99
Fits GM (General Motors) Powerglide transmissions with an aluminum case. Chrome plated dipstick that includes O-ring for a positive seal.

Product Features:
  • Chrome Plated
  • Includes O-Ring
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B & M – Aluminum Braided Dip Stick, Fits TH-400 Transmission (Part No.22166)

Aluminum Braided Dip Stick, Fits TH-400 Transmission

from

$127.99
What better way to check you oil level by using one of B&M’s transmission fluid dipsticks? The cap screws into the tube and is O-ring sealed, while the base of the tube has a sealing grommet where it goes into the transmission.

Product Features:
  • Automatic Transmission Dip Stick
See More

B & M – Aluminum Braided Dip Stick, Fits TH-350 Transmission (Part No.22165)

Aluminum Braided Dip Stick, Fits TH-350 Transmission

from

$127.99
What better way to check you oil level by using one of B&M’s transmission fluid dipsticks? The cap screws into the tube and is O-ring sealed, while the base of the tube has a sealing grommet where it goes into the transmission.

Product Features:
  • Automatic Transmission Dip Stick
  • Mounts to bellhousing
  • Sold as a kit
  • Natural finish
  • Fits TH350 & TH350C
See More

Most Popular Performance Transmission Rebuild Kit for 1970 Pontiac LeMans

Enhance your 1970 Pontiac LeMans with this popular Performance Transmission Rebuild Kit we have in stock, for $511.99.

B & M – Transkit For 65-87 TH400 Transmission (Part No.20229)

Transkit For 65-87 TH400 Transmission

from

$511.99
A B&M transmission in a box! Transform your automatic transmission into a full-tilt B&M performer! This is our ultimate transmission kit – it comes complete with full instructions on how to assemble your transmission to B&M specifications.

Product Features:
  • High Perf. Friction Materials
  • Complete Overhaul Gasket Set
  • Modification Components
  • Replacement Valves
  • Replacement Springs
  • Drain Plug Kit Included
See More

Best-Selling 1970 Pontiac LeMans Performance Transmission Dipstick Tubes

Upgrade your LeMans with one of our 3 best-selling Performance Transmission Dipstick Tubes.

Mr. Gasket – Automatic Transmission Dipstick With Tube (Part No.9690)

Automatic Transmission Dipstick With Tube

from

$49.99
Fits GM (General Motors) Powerglide transmissions with an aluminum case. Chrome plated dipstick that includes O-ring for a positive seal.

Product Features:
  • Chrome Plated
  • Includes O-Ring
See More

B & M – Aluminum Braided Dip Stick, Fits TH-400 Transmission (Part No.22166)

Aluminum Braided Dip Stick, Fits TH-400 Transmission

from

$127.99
What better way to check you oil level by using one of B&M’s transmission fluid dipsticks? The cap screws into the tube and is O-ring sealed, while the base of the tube has a sealing grommet where it goes into the transmission.

Product Features:
  • Automatic Transmission Dip Stick
See More

B & M – Aluminum Braided Dip Stick, Fits TH-350 Transmission (Part No.22165)

Aluminum Braided Dip Stick, Fits TH-350 Transmission

from

$127.99
What better way to check you oil level by using one of B&M’s transmission fluid dipsticks? The cap screws into the tube and is O-ring sealed, while the base of the tube has a sealing grommet where it goes into the transmission.

Product Features:
  • Automatic Transmission Dip Stick
  • Mounts to bellhousing
  • Sold as a kit
  • Natural finish
  • Fits TH350 & TH350C
See More

Top-Quality Performance Transmission Shift Kits for 1970 Pontiac LeMans

Choose a high-quality OEM or aftermarket Performance Transmission Shift Kit for Pontiac LeMans and enjoy top-notch performance from $166.99.

B & M – Transpak For 65-87 TH400 Transmission (Part No.20228)

Transpak For 65-87 TH400 Transmission

from

$166.99
The B&M Transpak has all the features in the Shift Improver Kit, plus it provides additional driver manual control. Retain full automatic features and standard shift points with selector in Drive.

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
See More

FAQs for 1970 Pontiac LeMans Performance Transmissions

What are the best-selling Performance Transmissions for 1970 Pontiac LeMans?

Out of 5 Performance Transmissions that fit 1970 Pontiac LeMans, the following parts are the top sellers:

What’s the price range for 1970 Pontiac LeMans Performance Transmissions?

The prices of Performance Transmissions for the 1970 Pontiac LeMans range from $49.99 up to $511.99 for the most premium parts.

What is the average price of a Performance Transmission for a 1970 Pontiac LeMans?

The average price for Performance Transmissions for the 1970 Pontiac LeMans is $231.22. 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 Pontiac LeMans model years?

Yes, we carry Performance Transmissions for 15 model years of Pontiac LeMans between 1965 and 1981. The following model years are the most popular for Performance Transmission purchases: 1981, 1980, 1979, 1978, 1977, 1976, 1975, 1974, and 1973.

What are the cheapest Performance Transmissions for my 1970 Pontiac LeMans?

The cheapest 1970 Pontiac LeMans Performance Transmissions we carry are:

Does Advance Auto Parts sell Performance Transmissions for any other 1970 Pontiac models?

What types of Performance Transmissions do you sell for my 1970 Pontiac LeMans?

As of 3/1/26, these are some of the most in-demand types of Performance Transmissions for a 1970 Pontiac LeMans:

Can I get help with 1970 Pontiac LeMans Performance Transmission orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Pontiac Performance Transmissions and more.

What is your return policy for Pontiac LeMans Performance Transmissions?

Advance Auto Parts keeps returns simple. For new Pontiac LeMans Performance Transmissions and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.