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Performance upgrade for hot street cars & race vehicles for use with lightweight vehicles with manual transmissions/ automatic transmissions with high stall & low rear-end gears Mechanical secondaries means your foot controls the opening of the secondary throttle blades
- 750 CFM
- Power Valve Blow-out Protection for trouble free operation
- Manual Choke for easy control of engine warm-up (electric choke upgrade kits are available)
- Center Hung Floats provide stable fuel control under performance conditions.
- Dual Metering Blocks allow fine tuning of primary & secondary jetting
- Dual Feed Fuel Inlets for constant high volume fuel delivery
- Mechanical Secondadries (Dual Accelerator Pumps) for additional fuel under initial acceleration - awesome tire-turning performance for lightweight vehicles and vehicles with manual transmissions or low gearing.
- 100% Wet-flow Tested and Calibrated
Not legal for sale or use in California on any pollution controlled motor vehicles.
|New or Remanufactured
|Number of Barrels
||Holley Model 4150 Carburetors
|Throttle Linkage Type
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