Vauxhall Astra/Zafira Adjustable Vernier Pulley

Product SKU: YG10-1

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  • Regular price $84.00
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Product Description

1 x Vernier Pulley

  • 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.


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.