Horsepower M.D.
“The cure for the common car”
Site Search
Installing Under-Drive Pulleys on your Mustang increases horsepower by reducing accessory speeds.
Select Your Application
Silver Under-Drive Pulley
Fits 1983-1993 Mustang V8
Part Number:MAC2933
Price: $91.50
Red Under-Drive Pulley
Fits 1983-1993 Mustang 5.0L V8
Part Number:MAC2393
Blue Under-Drive Pulley
Part Number:MAC2351
Black Under-Drive Pulley
Part Number:MAC4100
Price: $64.00
1983-1993 Mustang 5.0L