The Street HP uses the best features from Holley's race Bred 4150 HP carbs, but tamed it for street and light competition use. The contoured main body from the 4150 HP with a tumble polished shiny finish. The metering system includes a timed spark port for a vacuum advance distributor and is calibrated for a hot street/strip engine setup for outstanding throttle response and drivability. A street HP base plate is used so there are plenty of vacuum ports for power brakes, PCV, etc.
Features
Tumble polished shiny finish for great looks
Contoured venturii for increased airflow and more power – No choke provisions
All necessary vacuum ports for easy street vehicle installation
Street/Strip calibration for outstanding throttle response and drivability
4-corner idle circuits for precise idle control
Mechanical secondaries (Double Pumper®) for serious off-idle acceleration
Straight leg boosters for a strong vacuum signal and great throttle response
The Street HP uses the best features from Holley's race Bred 4150 HP carbs, but tamed it for street and light competition use. The contoured main body from the 4150 HP with a tumble polished shiny finish. The metering system includes a timed spark port for a vacuum advance distributor and is calibrated for a hot street/strip engine setup for outstanding throttle response and drivability. A street HP base plate is used so there are plenty of vacuum ports for power brakes, PCV, etc.
Features
Tumble polished shiny finish for great looks
Contoured venturii for increased airflow and more power – No choke provisions
All necessary vacuum ports for easy street vehicle installation
Street/Strip calibration for outstanding throttle response and drivability
4-corner idle circuits for precise idle control
Mechanical secondaries (Double Pumper®) for serious off-idle acceleration
Straight leg boosters for a strong vacuum signal and great throttle response