2020+ Toyota Supra B58 Flexplate and Crank Adapter

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ATI Dampers

ATI B58Kit-1

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Flywheel bolts

This is the same item that helped be the first Supra in the 8's

New Toyota Supra B58 flexplate is currently the only SFI version available for the B58 engine. The 915472 flexplate and 915082 crank adapter allow you to use your OEM converter and flexplate bolts. we offer maximum concentricity for a high-quality, long-lasting flexplate that will not damage other components.

Manufactured in the USA on state-of-the-art CNC equipment

Flexplates are created from SFI-spec steel and are SFI 29.1 Certified 

Each plate starts life as cold drawn steel plate that is laser cut 

The plate is then machined in house and checked for straightness

We then MIG and TIG weld for additional strength and lasting precision pass after pass. 

Each flexplate is manufactured and toleranced from OEM drawings to ensure a precise fit and location. 

Each plate is quality inspected to exceed the flatness and run-out tolerances of the OEM units and is precision balanced on a Hines digital balancer with a resolution of 1/10 oz-in

All flexplates are created from custom drawn SFI-spec steel and are double MIG/TIG welded for additional strength and lasting precision pass after pass. They are quality inspected to EXCEED the flatness and run-out tolerances of the OEM units and are precision balanced on a Hines digital balancer to 1/10 ounce/inch.

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.


We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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