PERFORMANCE EXHAUST MANIFOLD GASKET SET Chevrolet The modern combustion chamber designs

The modern combustion chamber designs improve the combustion process and larger than stock intake and exhaust ports move more air through your engine for improve efficiency

They are patterned after the 1969-70 Ram Air IV Pontiac cylinder head

These centerless ground dowel pins replace stock pins and are extra-long for use with block plates

Excellent performance in the mid to upper RPM with only small losses below 2500 RPM

The Edelbrock #8719 is 3/4" thick and made of wood fiber laminate

PERFORMANCE EXHAUST MANIFOLD GASKET SET Chevrolet The modern combustion chamber designsFel Pro Performance Gaskets deliver reliable sealing under grueling racing conditions