Aspen 4 Alkylate Petrol Fuel – 5L for 4-Stroke Engines, Mowers, Cars, Bikes & Outboards. Aspen 4 Alkylate Petrol is a premium, pre-formulated fuel designed specifically for 4-stroke engines. Supplied in a convenient 5-litre container, it provides cleaner combustion, improved engine performance, and longer engine life compared to standard pump petrol.
