Holley Secondary Diaphragm 1.97" Rubber and Steel Vacuum Carburetor Holley Style

Holley Secondary Diaphragm 1.97" Rubber and Steel Vacuum Carburetor Holley Style

The Holley Secondary Diaphragm is an essential component designed for optimal performance in Holley-style carburetors. This diaphragm, measuring 1.97 inches, is crafted from a combination of durable rubber and robust steel, ensuring increased longevity and reliability under dynamic conditions. Its primary function is to manage the opening and closing of the secondary throttle plates, which plays a crucial role in regulating air and fuel flow to the engine. The precise operation of the diaphragm enhances throttle response and improves engine efficiency, ultimately contributing to better overall vehicle performance.

Engineered for excellence, this secondary diaphragm not only provides an effective seal but also responds quickly to vacuum changes in the intake manifold. This responsiveness ensures smoother acceleration and better performance during various driving conditions. Additionally, the hybrid material composition of rubber and steel offers superior resistance against wear, temperature fluctuations, and fuel exposure, making it an ideal choice for both street and racing applications.

FITMENT: This secondary diaphragm is compatible with a variety of Holley-style vacuum carburetors, making it a versatile replacement part for enthusiasts and performance builders aiming to maintain or upgrade their carburetor systems. Ensure compatibility with your specific Holley carburetor model for best results.

Key Features & Benefits

• Durable Construction: Made from high-quality rubber and steel for enhanced durability and resistance to wear.
• Optimal Functionality: Ensures precise opening and closing of secondary throttle plates for better airflow regulation.
• Improves Throttle Response: Quick response to vacuum changes enhances acceleration and overall engine performance.
• Versatile Fitment: Suitable for a range of Holley-style carburetors, making it a good choice for various automotive applications.
• Reliable Performance: Designed to withstand extreme conditions, ensuring consistent functionality over time.

Shipping. Free on every order, US only. Orders arrive in 2–4 days.

Returns. 60-day free returns, except in extreme cases.

Support. Our team is available 24/7 for fitment mismatches or any other reason.

Warranty. Full manufacturer guarantee.