... approval Key Specifications:Precision Auto Labs - Cylinder Head GasketPart No.: PAL-A2LDiameter:ø94.5mmEngine ... Stress formed embossments seal extreme cylinder pressuresWill not brinell(indent) aluminum cylinder heads Material is optional: metal ... , non-asbestos, graphite, asbestos, viton, silicone, ACM, NBR, plastic, etc.Various of Gaskets: cylinder ...