Castrol Edge. Castrol EDGE 5W-30 A3B4 is an advanced full synthetic engine oil formulated for highly tuned four cylinder and latest technology engines both naturally aspirated or turbocharged. Castrol EDGE is engineered with fluid titanium technology that physically changes the way the oil behaves under pressure.
Todays engines are smaller more powerful and under more pressure than ever before. By mail a check in the qualified savings amount made payable to you. Castrol EDGE is Castrols most advanced engine oil.
A participating Castrol product at select retail accounts.
Castrol EDGE with Fluid TITANIUM Technology is Castrols strongest oil and the natural choice for drivers who want the best combination of sludge protection wear protection and maximum engine performance. Unlock maximum performance with every drive. A participating Castrol product at select retail accounts. Castrol EDGE with Fluid TITANIUM Technology is Castrols strongest oil and the natural choice for drivers who want the best combination of sludge protection wear protection and maximum engine performance.