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Product Information
Product Details
Part No. 0-81570
Warranty Details (90 DAY REPLACEMENT IF DEFECTIVE)
Square flange bolt pattern. Performance calibrated. The ultimate vacuum secondary street performance upgrade.
Product Features:
Product Features:
- Vibratory Polished For Good Looks
- Optimized Street Calibration That Works Out Of The Box
- Manual Choke For Precise Cold Start Control
- Quick Change Vacuum Housing Cap To Tune For Performance/Fuel Econ
- No Unnecessary Trips Back To The Parts Store
- Limited Lifetime Warranty
- 100% Wet Flow Tested By Holley Technicians
- Arrives Ready To Run
Specifications
Barrel:
Four
Booster Type:
Straight
Carburetor Type:
4150
Choke:
Manual
Cubic Feet Per Minute Rating:
570 cfm
Emission:
Without EGR
Finish:
Shiny
Flange:
Square Bore
Fuel Inlet:
Dual
Fuel Type:
Gasoline
Material:
Zinc
Primary Main Jet:
54
Primary Power Valve:
8.5
Secondary Main Jet:
65
Secondary Type:
Vacuum
Supercharged Application:
No
Throttle Bore:
1.562 in
Type:
Automotive
Usage:
Street/Hi-Performance
Vacuum Port Quantity:
1 timed (spark); 2 full; 1 PCV
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