- Tumble polished shiny finish for good looks
- Small block Chevrolet 1x4, 170 series blower calibration
- Manual (Cable driven, hand operated) choke for precise cold start control
- Dual accelerator pumps for addition fuel under initial acceleration
- Dual feed fuel inlets for constant high volume fuel delivery
- Mechanical Secondaries for perfect off the line launches
- 4 corner idle allows you to precisely control your idle system
- Intended for lightweight vehicles w/ manual trans or automatics with high stall & low gearing
- Boost referenced power valve for proper enrichment under acceleration
- 100% wet-flow tested by Holley technicians to assure it arrives ready to run!
|Primary Main Jet||74|
|Primary Power Valve||10.5|
|Primary Pump Nozzle Size||28|
|Secondary Main Jet||84|
|Secondary Pump Nozzle Size||31|
|Throttle Bore||1.688 inch|
This part is legal for use on Uncontrolled (Non-Emissions Controlled) Vehicles or Racing Vehicles.
The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:
- 1965 and older U.S. manufactured California Certified vehicles
- 1967 and older U.S. manufactured Federally Certified vehicles
- 1967 and older Foreign manufactured vehicle
Racing Vehicles are vehicles that are used exclusively for racing or other forms of competition that are not registered and that may never be used on the street.
*Free Shipping & Handling only offered to the contiguous US on orders over $100.
Some parts are not legal for use in California or other states with similar regulations.