Frequently Asked Questions – Holley 4150 4-Barrel Rebuild Kit (K4017)
1. Which carburetors is the K4017 kit designed for?
The K4017 kit fits Holley 4150 4-barrel carburetors on vehicles such as Ford trucks (1959–1969), Studebaker, Toyota, Triumph, Volvo, and others listed in the product compatibility section
2. What parts are included in the kit?
It includes:
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Mounting gasket
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Float bowl and throttle body gaskets
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Needles & seats
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Power valves
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Accelerator pump diaphragms
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Clips & grommets
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Free digital carburetor rebuild manual
- Electronic instruction sheet w/specifications
3. Are the components ethanol-compatible?
Yes. The K4017 uses ethanol-resistant materials, including Viton seals and upgraded gaskets, making it suitable for modern E10/E15 fuels.
4. How do I confirm if this kit is right for my carb?
Verify your carburetor’s model number and flange type (spread-bore vs square-bore). The page lists compatible carb numbers like 5751759–5761764 (FL103) and B9TE–C1TE. The LIST number is stamped on the front of the tower.
5. Is it a direct-fit OEM replacement?
Yes—it’s a Made-in-USA rebuild kit built to OEM specifications, ensuring a precise fit and authentic rebuild experience.
6. Does it include a float?
No. The kit does not include floats. For FL98 or FL103 floats, check the recommended accessories section below the product listing.
7. Is there a rebuild manual included?
Yes—a free digital rebuild manual is included, guiding you step-by-step through the tear-down and rebuild process
8. Can this kit rebuild marine or dual-fuel carbs?
This kit is tailored for automotive Holley 4150 carbs. Marine carbs (e.g., Volvo Penta) may need specialized jetting, diaphragms, or power valve values—check for marine-specific recommendations.
9. What if my carburetor style is square-bore?
The K4017 kit covers various flange types, but be sure to match your carb's exact casting number to ensure proper fitment.
10. Is it in stock and how fast does it ship?
The product page shows real-time In Stock status. Orders placed before 12 PM PST (Mon–Fri) are shipped the same day.
11. How much does shipping cost?
Shipping costs are calculated at checkout based on destination and selected delivery method. No hidden handling fees apply. See our shipping page.
12. How is this kit different from other rebuild kits?
The K4017 stands out with its USA-made, ethanol-ready components, free rebuild manual, and comprehensive parts list—offering superior longevity and performance over generic rebuild kits.
