FO2701 Small Block Ford to 6R80/Ford Modular Transmission



  • Works with 6R80 transmission from a Modular V8  from a 2011 and newer  Ford V8 5.0, 5.4 and 6.2. It will also work with any of the Ford Modular V8 transmissions behind the 4.6, 5.0, 5.4, 6.2 and 6.8 liter gas engines. The V6 transmissions will not work. this is something that will be offered in the future.
  • Will also work with 4R70W, 4R75W, 10R80, 5R110, 4R100, 6R140 (w/V8 gas case)
  • Utilizes an American built Powermaster high torque starter (included with kit)
  • Uses your stock 164 tooth Ford flexplate specific to your engine
  • Designed to work with the 4 stud converter found in most V8 style 6R80 transmissions or the 6 stud converter found in a 5R110.
  • CNC machined from 6061 billet aluminum (both adapter plate and converter spacer) At our shop in Wisconsin.
  • Starter can be replaced without removing the transmission and the kit doesn't require any cutting or grinding of the engine or transmission components. Bolts on easily with minimal tools


We offer package deals that include US Shift stand-alone controllers. If have a 6R80 we recommend the Quick 6 stand-alone. You will save $125.00 on your Speed Gems adaptor kit when bundled together. 

If you're planning on a Modular Ford AOD-E, 4R70W (wide ratio AOD-E), and 4R75? By adding a US Shift Quick 4 stand-alone transmission controller you will save $100 dollars off of the cost of your Speed Gems adapter kit. 

We have additional options from US Shift. Please give us a call or email us if you're not seeing what you need!

Materials Included:

(1) SBF to 6R80 Adapter plate
(1) Torque Converter Spacer (Approx. 13LBS.)
(1) Block Plate
 Inspection Cover
HCS 7/16-14 x 5
HCS 7/16-14 x 3
7/16-20 Flex Plate Bolts
(2) HCS 3/8-16 x 3
(2) HCS 1/4-20 x 1/2
(2) 1/4 Flat Washer
(2) 1/4 Lock Washer
(2) 1/4-20 Hex Nut
(2) HCS 3/8-16 x 2-3/4
(3) SHCS 7/16-14 x 2-1/4
(2) Low Head SHCS 3/8-16 x 1
(2) Dowel Pins
(4) M10-1.0 Flange Nuts
(4) 7/16-20 Threaded Insert

Installation Instructions

*Matching our adapter kits with your engine can be tricky. If you are unsure of which kit to purchase for your engine, please call customer service at (763) 767-4480. Speed Gems is not responsible for return shipping costs of mismatched kits.

Speed Gems
806H S. Division St., Waunakee, WI 53597
PHONE: (763) 767-4480