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


This Part Fits:

Year	Make	Model	Submodel
1963	Chrysler	300	Base
1963	Chrysler	300	Sport
1970-1971	Dodge	Challenger	Base
1970-1971	Dodge	Challenger	R/T
1969-1971	Dodge	Charger	500
1966-1971	Dodge	Charger	Base
1969	Dodge	Charger	Daytona
1967-1971	Dodge	Charger	R/T
1969	Dodge	Charger	SE
1971	Dodge	Charger	Special Edition
1971	Dodge	Charger	Super Bee
1965-1970	Dodge	Coronet	440
1965-1970	Dodge	Coronet	500
1966-1967,1970-1971	Dodge	Coronet	Base
1971	Dodge	Coronet	Brougham
1971	Dodge	Coronet	Crestwood
1971	Dodge	Coronet	Custom
1966,1968-1970	Dodge	Coronet	Deluxe
1967-1970	Dodge	Coronet	R/T
1968-1970	Dodge	Coronet	Super Bee
1963	Dodge	Polara	500
2015-2018	Ford	Mustang	Shelby GT350
2015-2018	Ford	Mustang	Shelby GT350R
1968-1971	Plymouth	Barracuda	Base
1970-1971	Plymouth	Barracuda	Gran Coupe
1966-1967,1969	Plymouth	Belvedere	Base
1969	Plymouth	Belvedere	Satellite
1965-1967	Plymouth	Belvedere II	Base
1970-1971	Plymouth	Cuda	Base
1966	Plymouth	Fury	Base
1963-1965	Plymouth	Fury	Sport
1965	Plymouth	Fury II	Base
1965	Plymouth	Fury III	Base
1967-1971	Plymouth	GTX	Base
1968-1971	Plymouth	Road Runner	Base
1966-1967	Plymouth	Satellite	Base
1970	Plymouth	Superbird	Base