This adapter plate allows SBC/LS bolt pattern transmissions to be used behind the Atlas**.

Examples are NV4500, TH350/TH400/4L80e etc...

The plate has sufficient material added to the side to allow it to be used as a mid-engine mount plate. Additional material was added on the bottom to accommodate installation of a billet main cap girdle.The plate is 3/8" thick.


We can also produce custom adapter plates. Inquire for details.


For Price, shipping cost & to order please fill in our contact us form, please include your zip/postal code in order for us to provide a shipping cost.


** 4&5 cylinder applications(2800, 2900, 3500 & 3700) will require the end user to remove additional material to clear the balance shaft drive.







This adapter plate allows SBC/LS bolt pattern transmissions to be used behind the Atlas**. Examples are NV4500, TH350/TH700R4 etc...


The plate is 3/8" thick. The plate is laser cut and then CNC machined.


The plate has sufficient material added to the side to allow it to be used as a mid-engine mount plate. Additional material was added on the bottom to accommodate installation of a billet main cap girdle.


We can also produce a plate with the SBC/LS transmission mounting holes deleted for use with other transmissions e.g. AMC/Jeep


For customers using other transmissions we can supply a sketch showing the crank centerline/dowel hole location so an user mounting pattern can be added.


For Price, shipping cost & to order please fill in our contact us form or contact use at infor@emtechmotorsports. Please includer your zip/postal code to allow us to get a shipping cost.


** 4&5 cylinder applications(2800, 2900, 3500 & 3700) will require the end user to remove additional material to clear the balance shaft drive.