Quick Fuel SL-450-VS Slayer Series Carburetor 450CFM Vacuum Secondary

Part # SL-450-VS Be the first to write a review

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Est. Ship Date: 10/16/2026

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Slayer Series street carburetors are designed with many of the same innovations and features that are built into all QFT™ race-winning carburetors, including changeable air bleeds and power valve channel restrictions. It's designed with a secondary metering plate with changeable jets, and features all aluminum components for additional weight savings. All Slayer Series carburetors are equipped with universal throttle levers to accommodate Ford A/T kickdown, GM 700 R4 mounting holes, and ability to mount brackets for Chrysler vehicles. Slayer Series are available in 450, 600, and 750 cfm vacuum secondary models.

- Vacuum Secondaries
- Electric Choke
- Single Metering Block
- Secondary Metering Plate
- Cast Aluminum Throttle Body
- Single Sight Glass Windows
- Changeable Air Bleeds
- Adjustable Needles & Seats
- Notched Secondary Floats w/Jet Extensions

Features:

• Notched Secondary Floats w/Jet Extensions
• Adjustable Needles & Seats
• Changeable Air Bleeds
• Single Sight Glass Windows
• Cast Aluminum Throttle Body
• Secondary Metering Plate
• Single Metering Block
• Electric Choke
• Vacuum Secondaries

Brand	Quick Fuel
Emission Code	3
Product Type	Carburetors
Warranty	Manufacturer's Limited 90 Day (1 Year with Warranty Registration)
UPC	849804015458
Manufacturer Part Number	SL-450-VS
Part Number	SL-450-VS

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only 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

The following vehicles are considered Racing Use Only Vehicles:

Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

The following vehicles are considered Emissions Controlled Vehicles:

1966 and newer U.S. manufactured California Certified vehicles
1968 and newer U.S. manufactured Federally Certified vehicles
1968 and newer Foreign manufactured vehicle

Instructions for SL-450-VS

This model of carburetor has the square bore flange bolt pattern. It can replace Holley, Edelbrock, Carter AFB, and Autolite style carburetors with 5-3/16 in. x 5-5/8 in. bolt pattern. If you have a spreadbore style intake manifold, you will need an adapter to install this carburetor. Similar to the Mr. Gasket #1932.

Manufacturer's Limited 90 Day (1 Year with Warranty Registration): See Details

Have a question about this product?

Question
What kind of throttle cable can I use on it. Can I use one of those billeted throttle cables that I see for sale on your site?
By TIMOTHY BRENKMAN on October 22, 2023
Answer
Yes you can use one of the many Billet Throttle Cables we offer from Brands like Allstar Performance, LOKAR, Mr. Gasket, and Trans-Dapt. Be sure you order one that is long enough for your application and intended routing in your engine bay.
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*Free Shipping & Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

Some parts are not legal for use in California or other states with similar regulations.