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Celebrating 250 Years of American Freedom, All Year Long! More Horsepower. More Burnouts.
Celebrating 250 Years of American Freedom. More Horsepower. More Burnouts.

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Availability: Available via special order

Cometic Pontiac 389/421 V8 4.3in Bore .040in MLS Head Gasket

Special Order Item: This item is supplied by special order. Availability and dispatch timing depend on the supplier; additional processing time may apply. Details
Special Order Save 10% Save 10%
Original price $109.94
Original price $109.94 - Original price $109.94
Original price $109.94
Current price $98.94
$98.94 - $98.94
Current price $98.94

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
1949-1954 Jaguar XK120 Base
1952-1954 Jaguar XK120 M
1955-1957 Jaguar XK140 Base
1955-1957 Jaguar XK140 M
1955-1957 Jaguar XK140 MC
1958-1961 Jaguar XK150 Base
1958-1961 Jaguar XK150 S
1959-1966 Pontiac Bonneville Base
1959-1962 Pontiac Bonneville Custom
1959-1966 Pontiac Bonneville Safari
1964-1966 Pontiac Catalina 2+2
1959-1966 Pontiac Catalina Base
1959-1966 Pontiac Catalina Safari
1962-1966 Pontiac Catalina Ventura
1962-1966 Pontiac Grand Prix Base
1964-1966 Pontiac GTO Base
1959-1966 Pontiac Star Chief Base
1966 Pontiac Star Chief Executive
1961,1963-1966 Pontiac Tempest Base
1964-1965 Pontiac Tempest Custom
1961 Pontiac Tempest LeMans
1961,1963-1966 Pontiac Tempest Safari
1960-1961 Pontiac Ventura Base

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