The VForce3 diaphragm is a popular choice for those looking for an immediate performance boost for their engine. This diaphragm is specifically designed to optimize airflow and thus increase power across the entire rev range.

Benefits and features:

1. Double the number of reeds: With twice the number of reeds compared to traditional diaphragms, the VForce3 reeds only need to open half as much to achieve the same airflow. This reduces reed wear and improves longevity, especially at high speeds (e.g. 8,000 rpm, where the reeds open and close 133 times per second).

2. Increased Power: VForce3 delivers a drastic increase in power across the entire range , with particular improvement in the low and midrange. Throttle response is extremely fast , giving an immediate sense of improved acceleration and performance .

3. Optimized for larger carburetors: When using carburetors over 21mm, combined with 70cc, 80cc or 90cc cylinders, the VForce3 eliminates flow issues that can occur with simpler diaphragms. This means the diaphragm allows maximum fuel flow and helps get the full power from other trim parts.

4. Reduced back-flow: The special design of the diaphragm counteracts back-flow, which means that air and fuel are mixed more efficiently to create more power.

5. Improved Horsepower and Acceleration: Increased airflow directly leads to increased horsepower and improved acceleration, resulting in faster and more powerful engine response .

Summary:

The VForce3 diaphragm is a simple yet highly effective upgrade for both stock and aftermarket engines. It provides better airflow, increased durability and a noticeable improvement in engine performance, especially when combined with larger carburetors and cylinders.