This is the ultimate drag racing transmission. It features a G-Force dog ring Gearset 1-4th gear and many other upgrades. This transmission does not have synchronizers on gears 1-4 and will not be fun for a streetcar, but it can be done. These are built to order.

Fitment: 2005-2018 Mustang GT, 2015-2020 GT350

What is included?

• A Tremec Magnum XL transmission
• SFI-approved steel bellhousing
• Cross member
• Shifter and shift ball
• Block saver plate & hardware

Calimer Upgrades:

• Professional Tear down & Reassembly
• Bronze shift pads on 1-2 fork
• Micro-Polishing internal parts (this reduces friction, increases longevity, and allows for smoother gear engagement.)
• Aftermarket G-Force Faceplated Gearset 1-4th
• Front Plate Oil Pump Included
• Billet Shift Interlock
• G-Force Billet 3-4 shift fork
• Recommended Oil Included

The aftermarket faceplated gear kit is 1-4th gear and the transmission will retain factory 5-6th gears or you can delete them in dropdown above.

We have customers making 1500+ horsepower with this build and have been as quick as 7.60 @ 191mph.

What are the gear ratios?

1st gear: 2.70

2nd gear 1.80

3rd gear: 1.30

4th Gear: 1.000