2 x Wynns Stop Smoke Oil Additive Petrol & Diesel Engines Reduce Smoke 325ml

Two-pack Wynns Stop Smoke Oil Additive 325 ml each. Reduces exhaust smoke from oil burning in petrol, LPG and diesel engines. Seals worn gaps, boosts compression and engine performance, reduces noise, and protects mineral and synthetic oils at high temperatures. Add to warm engine.

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