how the ford racing speedo calibrator works

[Bad Saleen]

how the ford racing speedo calibrator works, i have 4.10s gear how it will recalibrate my speedo

let me know

 

[COramprat]

What year is your car?

 

[Kilgore Trout]

Just get a Predator...

 

[oohsoobad2]

Dont know much about the Ford Racing part, but Im selling a Dallas Mustang speedcal that adjusts your speedo thru a bunch of on/off switches. Let me know if your intrested !!