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The Ultimate Gift for Gearheads!

American Powertrain

When it’s time to upgrade your transmission, turn to the torque transfer pros at American Powertrain! They specialize in Tremec 5- and 6-speed gearboxes and also build a full line of accessories and installation kits designed to make your next swap go like clockwork. Summit Racing offers American Powertrain transmissions, transmission installation kits, crossmembers, flywheels, clutch pedal assemblies, and more—everything you need to convert your muscle car to modern drivetrain technology. Make the shift to American Powertrain—shop now!

Results 1 - 12 of 20

Click here for more information about American Powertrain Tremec TKO 600 Manual Transmissions

American Powertrain Tremec TKO 600 Manual Transmissions

You can't rely on a factory tranny to hold up in your custom, high-horsepower vehicle--put...

(4)

$2,395.00

  • Free Shipping

    Order this product and get free delivery and handling on your entire order! Offer excludes truck freight fees. Valid on orders shipped in the contiguous United States.

Click here for more information about American Powertrain Hydramax Hydraulic Throwout Bearing Systems

American Powertrain Hydramax Hydraulic Throwout Bearing Systems

Whether you are installing a traditional 4-speed or a modern 5 or 6-speed, getting...

(3)

$498.97

-

$658.97

  • Free Shipping

    Order this product and get free delivery and handling on your entire order! Offer excludes truck freight fees. Valid on orders shipped in the contiguous United States.

Click here for more information about American Powertrain Tremec T-56 Magnum Manual Transmissions

American Powertrain Tremec T-56 Magnum Manual Transmissions

Except for their gear ratios, these American Powertrain Tremec T-56 Magnum manual tran...

(2)

$2,995.00

  • Free Shipping

    Order this product and get free delivery and handling on your entire order! Offer excludes truck freight fees. Valid on orders shipped in the contiguous United States.

Click here for more information about American Powertrain Tremec TKO 500 Manual Transmissions

American Powertrain Tremec TKO 500 Manual Transmissions

You can't rely on a factory tranny to hold up in your custom, high-horsepower vehicle--put...

(1)

$2,395.00

  • Free Shipping

    Order this product and get free delivery and handling on your entire order! Offer excludes truck freight fees. Valid on orders shipped in the contiguous United States.

Click here for more information about American Powertrain Bellhousing Inspection Covers

American Powertrain Bellhousing Inspection Covers

American Powertrain bellhousing inspection covers keep road debris out. These strong steel plate...

(4)

$43.97

Click here for more information about American Powertrain X-Factor Crossmembers

American Powertrain X-Factor Crossmembers

American Powertrain X-Factor crossmembers offer half the weight of traditional crossmembers with all of ...

Not Yet Reviewed

$148.97

-

$376.97

  • Free Shipping

    Order this product and get free delivery and handling on your entire order! Offer excludes truck freight fees. Valid on orders shipped in the contiguous United States.

Click here for more information about American Powertrain Tremec TKO 600 Manual Transmission and Installation Kits

American Powertrain Tremec TKO 600 Manual Transmission and Installation Kits

These American Powertrain Tremec TKO 600 manual transmission and inst...

Not Yet Reviewed

$3,199.97

-

$4,259.97

Click here for more information about American Powertrain Hydramax Hydraulic Throwout Bearings

American Powertrain Hydramax Hydraulic Throwout Bearings

Whether you're installing a traditional 4-speed or a modern 5- or 6-speed, getting the cl...

(1)

$278.97

-

$448.97

  • Free Shipping

    Order this product and get free delivery and handling on your entire order! Offer excludes truck freight fees. Valid on orders shipped in the contiguous United States.

Click here for more information about American Powertrain ISO-X Transmission Mounts

American Powertrain ISO-X Transmission Mounts

These American Powertrain ISO-X transmission mounts are manufactured from a highly durable ballistic...

(1)

$51.97

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$55.97

Click here for more information about American Powertrain Manual Transmission Bellhousings

American Powertrain Manual Transmission Bellhousings

These American Powertrain manual transmission bellhousings are designed to get your American ...

Not Yet Reviewed

$268.97

-

$285.00

  • Free Shipping

    Order this product and get free delivery and handling on your entire order! Offer excludes truck freight fees. Valid on orders shipped in the contiguous United States.

Click here for more information about American Powertrain Tremec T-56 Magnum Manual Transmissions and Installation Kits

American Powertrain Tremec T-56 Magnum Manual Transmissions and Installation Kits

These American Powertrain Tremec T-56 Magnum manual transmission...

Not Yet Reviewed

$3,995.00

-

$4,659.97

  • Free Shipping

    Order this product and get free delivery and handling on your entire order! Offer excludes truck freight fees. Valid on orders shipped in the contiguous United States.

Click here for more information about American Powertrain Tremec TKO 500 Manual Transmission and Installation Kits

American Powertrain Tremec TKO 500 Manual Transmission and Installation Kits

Put in a tranny that can stand up to that high-horsepower engine usin...

Not Yet Reviewed

$3,199.97

-

$4,259.97

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