Zetec Vernier Cam Pulleys (Z032)

1x ST170 adjustable cam pulley.
Used to retard exhaust camshaft timing (8 degrees).
Can be used with both standard and aftermarket camshafts.
Direct replacement for sandard pulley.
Typically gains 10bhp on a standard ST170 engine.
Will not fit Silver Top and Black Top engines.
Machined from aluminium.
Come in a black, blue or red anodized finish.
ST170 vvt delete kits also available (Z033-ST170).
Silver Top and Black Top pulley kits also available (Z033)