Enhance your engine’s performance by optimizing airflow with this 1/2" phenolic open spacer. Measuring 17 cm square and just 4 cm high, it effectively reduces heat transfer from the intake manifold, improving fuel atomization and throttle response. Discover how this lightweight 0.25 kg spacer can elevate your 4150 carburettor setup.

Optimize your engine’s airflow and maintain precise vacuum signals with this 1" alloy carburettor spacer featuring a 1/8 NPT vacuum port. Measuring 17 cm square and 5 cm thick, its robust design ensures reliable performance and easy integration. Discover how this spacer enhances throttle response and fuel efficiency.

Eliminate heat transfer issues with the Aeroflow phenolic spacer designed to reduce carburettor fuel boiling. Measuring 1 inch thick with a 4-hole pattern, this 17 cm by 17 cm spacer ensures precise fitment and effective thermal insulation for 4150 style carburettors. Discover how it enhances fuel system reliability below.

Eliminate heat transfer to your carburettor with this phenolic spacer, designed to improve engine performance by reducing fuel vaporization. Measuring 18 cm in length and weighing just 0.5 kg, it fits seamlessly between the intake manifold and a 4150 carburettor. Discover how precise dimensions and material choice enhance reliability and efficiency.

Improve airflow efficiency and reduce heat transfer with this 2" phenolic carburettor spacer. Measuring 18 cm in length, it effectively insulates your carburettor to enhance performance. Discover how this lightweight 1 kg spacer optimizes your fuel system setup.