July 30 2004. Castrol has added Castrol R4 Superbike 10W-50 to its range of four-stroke engine oils, to complement the 5W-40, giving consumers and dealers a wider selection to suit their needs.

Castrol R4 Superbike 10W-50 will meet the needs of consumers and manufacturers who prefer a higher viscosity full synthetic oil.

Castrol are now giving both Dealers and Consumers a choice in selection of its premium brand, and 'significant' margins for all Dealers.

Castrol R4 Superbike 10W-50 is available in 25 litre drums, 4 litre and 1 litre packs, and a special launch promotion is available to all Dealers.

To order telephone Castrol Customer Services on 0845 6008125.

For any technical enquires tleephone 01793 452222.