JET Performance 350 cfm Stage-1
561-7448S1
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Holley 2-bbl Carburetors
Specifications:
STAGE 1- A Stage 1 Holley 2bbl, starts with a core that shows the greatest ''stock'' airflow. Metering blocks are fully modified, and the jetting, power valve and accelerator circuits are calibrated for the specific application. These modifications are done to promote maximum off-the-corner torque as well as straight-away horsepower. A .130 needle and seat is installed for high RPM fuel delivery and the float is modified to control fuel slosh during cornering and breaking. The carburetor is assembled using the highest quality components and finished with a 3/8'' fuel inlet.
STAGE 2- Starts with all of the modifications of a Stage 1 and features a 1.75 throttle bore (butterfly) versus a 1.690 that is stock. This increases airflow and also helps equalize fuel distribution in the intake manifold. This is commonly referred to as a "Cheater" carburetor because it passes any inspection as long as it is not removed from the manifold.
STAGE 3- Features all of the modifications of a Stage 1 & 2 plus the venturi diameter is increased to the maximum allowable size for a substantial increase in airflow. A Stage 3 is intended for classes where full modified carburetors are openly allowed.
Motor Vehicles
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
Tools:
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.