Athena has specifically designed this RACE GASKET for the Pro, Semi-pro, and Amateur riders who freshen up their engine prior to a race series or during mid season. The kit will include a top of the line MLSS (Multi Layer Stainless Steel) Head Gasket and 2 premium quality base gaskets, one of which has a reduced thickness of 0.1 mm, to optimize engine compression ratios. This new composition gives the rider/technician a choice to increase compression and decrease the squish in order to get better performances. It is all in one kit! Our RACE GASKET kits are very competitively priced and supplied in a captivating packaging. These are sure to be a strong seller in the marketplace!. Race Gasket Kit