Holley Hi-Ram Base, Big Block Chevy 300-961 resonators Keep the check engine light

Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 5592710

6L V8 2003 - 2009 Ford E-150 Base 281/4

5 V8 1968 - 1974 Dodge Coronet 318/5

8L V8 1969 - 1971 Ford Mustang   351/5

Holley Hi-Ram Base, Big Block Chevy 300-961 resonators Keep the check engine lightHi Ram EFI Base for 1965 & later 396 502+ MKIV MKVI Big Block Chevy engines with standard intake flange rectangle port cylinder heads Holley Hi Ram EFI intake manifolds are now available for 1965 & later 396 502+ MKIV MKVI Big Block Chevy engines with standard intake flange rectangle port cylinder heads. Traditional Big Block Chevy engines can now also be fitted with the Holley Brand Hi Ram type EFI intake manifolds that have so well served GM LS &