Ensure precise microswitch activation with the Holley Ultra HP Microswitch Bracket, engineered to fit compact spaces measuring just 9.5 cm by 9.0 cm. Its robust design at under 1 kg guarantees durability and reliable performance in your fuel system setup. Discover how this bracket optimizes your carburettor control in the full description.

Optimize your carburettor’s fuel delivery with this precisely engineered secondary metering plate featuring a .081 main and .040 idle size. Measuring 17.80 cm by 12.60 cm, it ensures consistent performance and reliable throttle response. Discover how this Holley component enhances your fuel system efficiency.

Ensure leak-free fuel transfer with Holley's precision-engineered O-rings designed for carburettor systems. Each pack includes two durable O-rings measuring 12.7 cm in length, providing a secure seal and reliable performance under demanding conditions. Enhance your fuel system’s integrity with components built for exact fit and lasting durability.

Prevent fuel leaks and maintain carburettor integrity with this precision-engineered 7/8-20 steel inlet block off plug. Measuring 12.7 cm in length, it fits securely to ensure a reliable seal. Discover how this Holley component enhances your fuel system's reliability.

Ensure reliable fuel flow with this Holley Fuel Transfer Tube designed specifically for 4150 and 4175 carburettor models. Measuring 19.20 cm in length, it delivers precise fitment and optimal performance for your fuel system needs. Discover how this lightweight, exact replacement part enhances your vehicle's fuel delivery.