Male (Engine Side) Foster QD Fitting to 6mm Macroline Adapter
£9.50
The Male Foster QD to 6mm Macroline Adapter (Engine Side) connects a male Foster quick-disconnect fitting to a 6mm macroline HPA airline — the engine-side adapter for builds routing HPA via 6mm macroline rather than standard micro-bore line.
Male Foster QD Fitting to 6mm Macroline Adapter – Engine Side
The Male (Engine Side) Foster QD Fitting to 6mm Macroline Adapter is an adapter that connects a male Foster quick-disconnect fitting to a 6mm macroline HPA airline at the engine side of the connection. Macroline (6mm OD flexible tubing) is an alternative to standard micro-bore HPA line — it has a larger diameter bore that reduces flow restriction and is preferred by some HPA players for its lower pressure drop at higher flow rates. However, standard Foster QD fittings are designed for push-fit micro-bore line, not macroline, requiring a dedicated adapter when building a macroline airline run.
Engine-side fitting — installs at the male Foster QD on the engine port rather than at the tank or regulator end. For HPA players building or converting to a 6mm macroline airline and requiring the correct adapter at the engine-side Foster QD connection, this adapter provides the interface between the standard Foster male fitting and the 6mm macroline tubing.
- Male Foster QD to 6mm Macroline Adapter — Engine Side
- Connects male Foster QD fitting to 6mm macroline HPA airline
- Engine-side fitting position
- For HPA builds using 6mm macroline rather than standard micro-bore line
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