Product Description1 X VERNIER PULLEY
Astra GSI - Cavalier GSI - Cavalier Turbo - Calibra Turbo / 2.0 litre XE and Turbo Engines
1 x Vernier Pulley for C20XE and C20LET engines. Can be used in place of OE pulley. Allows exact timing adjustment to suit individual engine set up.
For early engines according to Engine Number break-point, as cam wheel size, tooth pitch and type are different.
This is for fitment on the Round type tooth type belts, which is roughly up till late 1993 - Either check your Pulleys or Engine number to be sure.
- Early C20XE - to Engine Number 14142838
- Early C20LET - to Engine Number 14002394