Under-cylinder shims thickness 1 mm for engines 1200 ->1600 - 4 pieces

This set of shims is used to adjust the compression ratio, and is installed between the liners and the block. Indispensable on a prepared engine or to make an engine on a heavy vehicle like a Combi more reliable.
Inside diameter: 90 mm x thickness: 1.016 mm (0.04")

For VW :
- Beetle, Karmann, Type 3, 181, Combi
Engines: 1300, 1500, 1600, 1641, 1679cc
engine 1200 since N° 0525 050->
- Transporter T25 / T3, 1600 CT engine Consult us for availability of other thicknesses if required after your volumetric ratio calculation.