6667- Crank pulley to suit 4wd engines without air-con using one poly V belt and original 4 pin timing lugs.

Ford Cosworth YB 16v Turbo
Application:

• Ford Sierra Sapphire RS Cosworth 4wd 1990-1992
• Ford Escort RS Cosworth 4wd T34 1992-06/1994
• Ford Escort RS Cosworth 4wd T25 06/1994-1996

0766 – Ford Cosworth YB Underdrive Pulley Multi V type

Crank pulley to suit Escort Cosworth engines 09/92- using 2 poly V belts and 4 Pin Trigger
Ford Cosworth YB 16v Turbo
Application:

• Ford Escort RS Cosworth 4wd T34 1992-06/1994
• Ford Escort RS Cosworth 4wd T25 06/1994-1996

3962 – Cosworth YB Underdrive 6 Rib Engine Pulley 36-1 Trigger

Diameter over Belt Area 100mm

For 4WD cars where aircon single V Belt has been deleted

(18.5mm from rear of pulley to first V Groove)

XXXX – Cosworth YB Underdrive 6 Rib Engine Pulley Standard 4 Pin  Trigger

Diameter over Belt Area 100mm

For 4WD cars where aircon single V Belt has been deleted

(18.5mm from rear of pulley to first V Groove)

1809 – Cosworth YB Underdrive 6 Rib Engine Pulley 36-1 Trigger

80mm

2074 – Cosworth YB Underdrive Engine Pulley 36-1 Trigger

Original style early crank pulley for 3 V belts but with 36-1 trigger disc.
Ford Cosworth YB 16v Turbo
Application:

• Ford Sierra RS Cosworth 3 door 1986-1987
• Ford Sierra Cosworth RS500 1987
• Ford Sierra Sapphire RS Cosworth 2wd 1988-1989
• Ford Sierra Sapphire RS Cosworth 4×4 -08/1990