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Stubstack Air Horn
$34.99
In stock
SKU
85-0400
Ships out in 1-2 business days
This K&N Stubstack is designed to be used with Holley 390-850 cfm square bore carbs (4150/4160), that have had the choke horn milled off and still use an air cleaner. Eliminates the need for hand polishing and radius work. Will work with all K&N Custom Chrome Racing Air Cleaners, including Tall Velocity Stack Air Cleaners. The K&N Stubstack is designed to increase the airflow of carburetors by decreasing the restriction around the choke horn.
- Fits Holley 4150/4160 carburetors with the choke horn milled off
- Fits inside the air cleaner housing
- Increases the airflow by reducing restriction
- Reduces turbulence, improves metering accuracy
| Product Style | Accessories |
| Height | 1.688 in (43 mm) |
| Width | 5.13 in (130 mm) |
| Length | 5.13 in (130 mm) |
| Package Quantity | 1 |
| Weight | 0 lb (0 kg) |
| Product Box Height | 3.7 in (94 mm) |
| Product Box Length | 10.4 in (264 mm) |
| Product Box Width | 10.1 in (257 mm) |
| Material Used | Polyurethane |
| Warranty | 1 Year Limited |
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Resources:
Installation PDF
Installation Instruction Sheet
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