Vauxhall Astra/Zafira Adjustable Vernier Pulley

Product Description

1 x Vernier Pulley

Fits:

• Mk4 Astra GSi SRi Coupe Turbo Z20LET 2.0 Turbo
• MK5 Astra VXR Turbo Z20LEH 2.0 Turbo
• Zafira GSi
• Zafira VXR

To be used in place of OE pulley allowing exact timing adjustment to suit individual engine set up.

NOTE:

We sell the pulleys as a single pulley not as a pair, a popular mod is to install a non turbo 2.0 inlet cam + adjust the timing.

We Advise Professional Install and set up also Thread Lock all Bolts and Check Regularly for Tightness.