HP Main Body Retro Fit Kit For Holley Double Pumper? Carburetors 134-300S master-cylinders-and-parts with a moderate interior tone

with a moderate interior tone and all the performance benefits you would expect from Flowmaster®

Adjusts accelerator pedal response

7L V8 1975 - 1985 Chevrolet Caprice Classic 350/5

7L V8 1975 - 1982 Ford E-100 Econoline Chateau 300/4

HP Main Body Retro Fit Kit For Holley Double Pumper? Carburetors 134-300S master-cylinders-and-parts with a moderate interior toneHP Main Body Retro Fit Kit For Holley Double Pumper? Carburetors Want to upgrade your street carburetor to a high performance race carb, but don't have the means to do a complete carb swap? If you can turn a screwdriver, you can get increased horsepower from the new Holley Aluminum HP carburetor main bodies. These aluminum HP main body retrofit kits convert your existing carburetor to an aluminum HP main body for increased horsepower, torque, and