Holley Carburetor Rebuild Renew Kit 37-754 — Complete gasket, jet & tuning parts for performance carburetors

If you own a Holley performance carburetor and want a reliable way to restore factory-fit function or support performance tuning, the 37-754 Renew Kit provides the service parts and guidance you need. Designed and packaged by Holley, this kit includes authentic diaphragms, gaskets, jets and other wear items used across Holley performance carburetor models, plus additional pieces to assist in performance tuning and maintenance.

What parts are included and why do they matter?

The 37-754 Renew Kit supplies a full complement of wear items that commonly require replacement during a rebuild or tuning session. Using original Holley parts helps ensure correct fit, predictable fuel metering, and durable performance under street or race conditions.

• Service gaskets and seals to stop leaks and restore proper vacuum sealing.
• Replacement jets and metering components to maintain accurate fuel flow.
• Diaphragms and needle/seat components for reliable fuel delivery and response.
• Extra tuning pieces and a parts tray to simplify testing and changes.

How does the kit support performance tuning?

This kit includes extra metering parts and a detailed tuning guide so you can test alternate jetting and calibrate the carburetor for different engines or conditions. The parts tray helps keep small items organized while you swap components and evaluate drivability.

• Multiple jets and tuning parts for fine adjustments during dyno or street tuning.
• Step-by-step instructions and a tuning guide for consistent results.
• Packaging that doubles as a parts tray for easy organization.

Is the Renew Kit compatible with my Holley carburetor models?

The 37-754 Renew Kit is formulated to service a wide range of Holley performance carburetors—especially common models used in street performance and racing applications. Confirm compatibility by matching your carburetor model number with Holley’s parts reference or the kit contents list.

• Serves multiple Holley performance carburetor families for broad compatibility.
• Genuine Holley parts ensure proper fit across supported models.
• Includes common wear items used in routine rebuilds and tune-ups.

How easy is it to use for a rebuild or maintenance job?

The kit is built for hands-on mechanics and enthusiasts; clear instructions and labeled parts reduce guesswork. Even if you’re doing your first full rebuild, the included guide and parts tray streamline the process so you can assemble and test with confidence.

• Step-by-step instructions aimed at DIY rebuilds and shop technicians.
• Parts packaging arranged to keep components accessible and identifiable.
• Competitively priced to lower the cost of routine maintenance or a full rebuild.

Who is this for? The Holley 37-754 Renew Kit is aimed at classic car restorers, street-performance builders, amateur racers and professional shops who use Holley performance carburetors. If you need a trustworthy supply of OEM-style service parts for rebuilds, tuning sessions, or preventive maintenance, this kit provides the components and instructions to get the job done efficiently and accurately.