Holley 122-5000 Main Jet Extension
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An improved jet extension design that actually screws into the metering block. The main metering jet then threads into the end of the extension.
The installation effectively moves the fuel entry point for the main jet out into the fuel bowl. In this location it cannot be uncovered by fuel, causing a lean condition, during periods of hard acceleration or braking.
2/Pkg.
Features and Benefits:
- Improved Design 2 Per Package
Associated Comments:
- Requires the use of special notched float to achieve proper clearance and to operate properly. Notched float number 116-11 Or Kit with float and extensions 116-10.
Details:
- Extension Inside Diameter: 0.136 Inch
- Extension Length: 0.710 Inch
- Extension Material: Brass
- Grade Type: Performance
- Warranty: Manufacturer's Limited 90 Day Warranty
Installation / Product Video: Watch on YouTube
β οΈ California Proposition 65 Warning
California Residents: This product can expose you to chemicals which are known to the State of California to cause cancer or other reproductive harm. Please visit www.p65warnings.ca.gov for more information.
Please check the product description for the manufacturer’s application details, or ask a specialist — we’ll confirm whether it fits your vehicle before you buy.
Shipping Information
Free shipping is available for eligible orders.
Shipping: For USA - Up to 50lbs.
Orders are processed during normal business days. Delivery dates may vary by carrier and destination.
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