- Blocks engine heat soak into the carburettor body
- Maintains optimal air and fuel charge density
- Made from premium 5mm thick phenolic heat-resistant material
- Complete kit containing two insulator plates and four gaskets
- Custom tailored for 48 dcoe side-draft carburettor fitment
Designed for high-flow side-draft carburettors, this phenolic heat insulator kit effectively blocks heat soak from the intake manifold to maintain optimal air-fuel charge density. Supplied with two durable 5mm phenolic insulator plates and four sealing gaskets, it ensures stable engine tuning and consistent power output under high engine bay temperatures.