The HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of the head gasket around the open deck block.
Pontiac 326/389/421 V8 .040" MLS Cylinder Head Gasket, 4.300" Bore.
Product Features:
Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Epa: N/A
Carb Acknowledgement Required: f
Fits According to Mfg but not guarunteed.
1949 Jaguar XK120 Base
1950 Jaguar XK120 Base
1951 Jaguar XK120 Base
1952 Jaguar XK120 Base
1952 Jaguar XK120 M
1953 Jaguar XK120 Base
1953 Jaguar XK120 M
1954 Jaguar XK120 Base
1954 Jaguar XK120 M
1955 Jaguar XK140 Base
1955 Jaguar XK140 M
1955 Jaguar XK140 MC
1956 Jaguar XK140 Base
1956 Jaguar XK140 M
1956 Jaguar XK140 MC
1957 Jaguar XK140 Base
1957 Jaguar XK140 M
1957 Jaguar XK140 MC
1958 Jaguar XK150 Base
1958 Jaguar XK150 S
1959 Jaguar XK150 Base
1959 Jaguar XK150 S
1959 Pontiac Bonneville Base
1959 Pontiac Bonneville Custom
1959 Pontiac Bonneville Safari
1959 Pontiac Catalina Base
1959 Pontiac Catalina Safari
1959 Pontiac Star Chief Base
1960 Jaguar XK150 Base
1960 Jaguar XK150 S
1960 Pontiac Bonneville Base
1960 Pontiac Bonneville Custom
1960 Pontiac Bonneville Safari
1960 Pontiac Catalina Base
1960 Pontiac Catalina Safari
1960 Pontiac Star Chief Base
1960 Pontiac Ventura Base
1961 Jaguar XK150 Base
1961 Jaguar XK150 S
1961 Pontiac Bonneville Base
1961 Pontiac Bonneville Custom
1961 Pontiac Bonneville Safari
1961 Pontiac Catalina Base
1961 Pontiac Catalina Safari
1961 Pontiac Star Chief Base
1961 Pontiac Tempest Base
1961 Pontiac Tempest LeMans
1961 Pontiac Tempest Safari
1961 Pontiac Ventura Base
1962 Pontiac Bonneville Base
1962 Pontiac Bonneville Custom
1962 Pontiac Bonneville Safari
1962 Pontiac Catalina Base
1962 Pontiac Catalina Safari
1962 Pontiac Catalina Ventura
1962 Pontiac Grand Prix Base
1962 Pontiac Star Chief Base
1963 Pontiac Bonneville Base
1963 Pontiac Bonneville Safari
1963 Pontiac Catalina Base
1963 Pontiac Catalina Safari
1963 Pontiac Catalina Ventura
1963 Pontiac Grand Prix Base
1963 Pontiac Star Chief Base
1963 Pontiac Tempest Base
1963 Pontiac Tempest Safari
1964 Pontiac Bonneville Base
1964 Pontiac Bonneville Safari
1964 Pontiac Catalina 2+2
1964 Pontiac Catalina Base
1964 Pontiac Catalina Safari
1964 Pontiac Catalina Ventura
1964 Pontiac Grand Prix Base
1964 Pontiac GTO Base
1964 Pontiac Star Chief Base
1964 Pontiac Tempest Base
1964 Pontiac Tempest Custom
1964 Pontiac Tempest Safari
1965 Pontiac Bonneville Base
1965 Pontiac Bonneville Safari
1965 Pontiac Catalina 2+2
1965 Pontiac Catalina Base
1965 Pontiac Catalina Safari
1965 Pontiac Catalina Ventura
1965 Pontiac Grand Prix Base
1965 Pontiac GTO Base
1965 Pontiac Star Chief Base
1965 Pontiac Tempest Base
1965 Pontiac Tempest Custom
1965 Pontiac Tempest Safari
1966 Pontiac Bonneville Base
1966 Pontiac Bonneville Safari
1966 Pontiac Catalina 2+2
1966 Pontiac Catalina Base
1966 Pontiac Catalina Safari
1966 Pontiac Catalina Ventura
1966 Pontiac Grand Prix Base
1966 Pontiac GTO Base
1966 Pontiac Star Chief Base
1966 Pontiac Star Chief Executive
1966 Pontiac Tempest Base
1966 Pontiac Tempest Safari