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Horsepower M.D.

“The cure for the common car”

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Installing Under-Drive Pulleys on your Focus increases horsepower by reducing accessory speeds.

Select Your Application

Focus Under-Drive Pulleys

Silver Under-Drive Pulley

 

Fits 2000-2004 Focus 2.0L Zetec

Part Number:MAC4023

Price: $64.00

MAC 4023

Red Under-Drive Pulley

 

Fits 2000-2004 Focus 2.0L Zetec

Part Number:MAC4423

Price: $64.00

Replacement Belt for MAC Focus UDP

 

Fits MAC4423, MAC4023, & MAC4823

Part Number:MAC2075

Price: $18.25

MAC 4423

Blue Under-Drive Pulley

 

Fits 2000-2004 Focus 2.0L Zetec

Part Number:MAC4823

Price: $64.00

MAC 4823
MAC 5220