STP Smoke Treatment for Petrol Engines - 450ml (64450EN06)

Designed for Petrol engines

• Contains VI Improvers and ZDDP which provides a thick cushion to boost protection to cylinder walls and piston rings
• Reduces smoke, wear and 'oil blow-by'
• Fights motor oil contamination caused by oxidation, cleaning vital engine parts
• Its alkaline-based acid inhibitors and rust inhibitor help reduce sludge, rust and corrosion