SeaEagles 37-485 Rebuild Kit for Holley 4150 4-Barrel Carburetors – 600-850 CFM
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Description
xOverview
SeaEagles presents the 37-485 rebuild kit designed to refresh Holley 4150 four-barrel carburetors. Built to restore seal integrity and metering consistency, this kit bundles essential components so you can renew performance without a full carburetor replacement. Expect practical, hands-on maintenance that supports reliable daily driving and spirited weekend sessions.
The kit is crafted with attention to the parts that wear most over time, including gaskets, O-rings, a pump diaphragm, and the needle and seat assembly. A power valve is included to help regulate fuel flow as engine demands shift, aiding smoother transitions between idle, cruise, and pull.
What’s Inside
- Gaskets and O-rings for dependable sealing and leak prevention
- Pump diaphragm to restore consistent fuel delivery
- Needle and seat for accurate metering across RPM ranges
- Power valve for controlled fuel mixture under varying loads
- All other necessary seals and components to complete the rebuild
Key Benefits and Use Cases
- Refreshes carburetor performance without replacing the entire unit
- Supports restoration of throttle response and consistency in everyday driving
- Maintenance-friendly kit aimed at fast turnaround and reduced downtime
- Designed for compatibility with popular Holley 4150 models and 4-barrel configurations
Compatibility and Practical Notes
Designed for Holley 4150 series four-barrel carburetors, including models used in typical high-performance street applications and light-track use. It’s suitable for 650, 750, 850 CFM configurations and double-pumper variants within the 4150 family. The goal is to provide a solid, ready-to-install set of components that supports a reliable rebuild when seals and metering parts show signs of wear.
Quality and Installation Tips
SeaEagles emphasizes quality materials and a practical rebuild philosophy. Before starting, ensure your carburetor body is clean and free of debris. Inspect seals for wear and replace any cracked or stretched components. If you need installation guidance, you can reach out to the seller for support or instructions to accompany your rebuild kit.
Why SeaEagles
SeaEagles focuses on delivering a cost‑effective, reliable maintenance option for enthusiasts who want to preserve their Holley carburetors. The 37-485 kit combines core metering components with sturdy seals, enabling restoration of performance without guessing at parts compatibility. While outcomes vary by application, users often notice steadier idle and more predictable fuel delivery after a well-executed rebuild.
FAQ
Q: Which Holley carburetor models does this rebuild kit fit?
A: Designed for Holley 4150 series four-barrel carbs, including 650–850 CFM models and double pumper variants.
Q: What is included in the kit and is installation support available?
A: Includes gaskets, O-rings, pump diaphragm, needle and seat, and a power valve; guidance is available on request from the seller.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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