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spread port headers are required since the center ports are spread further apart then stock GM products
billet 6061-T651 aircraft aluminum housing
1958-1958 Mercury Medalist
Hood Scoop
Used individually or stacked in layers to offer more protection over a longer period of time
Allstar Performance Dominator Style Carb Hat 33009R spread port headers are requiredPlastic carb hat is 2 3 8" tall and fits over the 7 1 4" air cleaner opening of Holley Dominator carburetors to prevent water or debris from entering the engine. Solid cover may be drilled when an air cleaner stud is used. Specialty items for the Shop, Trailer and Track. The Allstar Performance brand offers thousands of hard to find, specialty items that cover many segments in the performance aftermarket. For over 30 years, customers worldwide have
