These are for Darton sleeved blocks, not factory bore/liner sized blocks. If you are punching out your engine,
If youre going +1mm or less overbore, you will not need these. You can use the standard OEM or Cometic gaskets instead, as seen here: https://xatracing.com/OEM-UR-MHGs.html
Both sides are included!
Material: MLS
Compressed Thickness: .040"
Bore Shape: Round
Bore Size (MM): YOUR CHOICE
# of layers: 3
Orientation: Left AND right