Seller notes

Fits Holley 4500 Dominator carburetor's. Flange pattern 5.380 /5.380. 2" boresIncludes studs, flange nuts, One open and One 4hole gasket made with Felpro material2" tall Made in the USA from a carbon fiber PC blend. light strong and insulates from heat. After years of dyno testing and race engine building we found this is the best design.Adds mid range Torque and top end Horsepower.We tried "Super" 1" versions from different manufactures including the clones. We came to the conclusion they are j...

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