Ford Zetec Lightweight Engine Pulley (Underdrive) For use on Silver Top, Black Top and ST170 engines.
- Hard Anodized to protect against premature pulley wear and corrosion prolonging belt life and reliability.
- Zetec lightweight aluminium under drive bottom pulley.
Reduced rotational mass improves engine response
Weighs 0.43 kg & 132mm diameter. (saves 1kg over standard part)
- Reduces water cavitation in sustained high rpm conditons.
Plastic timing cover requires trimming if installed.
A shorter belt is required