The HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of the head gasket around the open deck block.

This Part Fits:

Year	Make	Model	Submodel
2015-2019	Dodge	Challenger	SRT Hellcat
2019	Dodge	Challenger	SRT Hellcat Redeye
2015-2019	Dodge	Charger	SRT Hellcat