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Valvoline Restore and Protect
* When used as directed for four or more consecutive oil changes. Based on adapted IIIH testing.

Lead Replacement & Additives

Protect classic engines running on unleaded fuel with our trusted range of lead replacement additives. Designed to replicate the lubrication properties of leaded petrol, these lead petrol additives help safeguard valve seats, reduce wear, and keep classic and older engines running smoothly on modern fuels.

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20 Products

Classic Valvemaster PLUS 3-in-1 Lead Replacement Additive
Millers Oils VSPe Power Plus Multi-Shot (Ethanol / Lead / Octane) Fuel Treatment
Millers Oils Petrol Power ECOMAX Fuel Treatment Multishot
Millers Oils CVL (Valve Seat Lubricant & Combustion Enhancer)
Millers Oils EPS Ethanol Protection System Fuel Treatment Additive - One Shot
Clearance
Was £69.95
£24.95
Price Beater
Millers Oils VSPe Power Plus One Shot (Ethanol / Lead / Octane) Fuel Treatment
Classic Valvemaster Lead Replacement Additive
Millers Oils Extra Cool (Corrosion Inhibitor & Coolant Enhancer) Concentrate
4-Life (Forlife) Advanced Engine Antifreeze & Coolant for Classic & Performance Cars
Opie Price
£4.99
Price Beater
Millers Oils CVL Extra Competition Valve Lubricant - High Octane Booster
Silkolene PRO BOOST Octane Improver (Fuchs)
Millers Oils Diesel Power ECOMAX One Shot Boost
Motul Valve Expert - Petrol Lead Replacement Fuel Additive
Millers Oils Tank Safe Petrol Additive Fuel System Protection
Millers Oils Petrol Power ECOMAX Fuel Treatment - One Shot Boost
Motul Fuel System Clean Auto - Car & Boat Fuel System Cleaner Additive
Wynns Lead Substitute (70612A)
RED LINE Alcohol Fuel Lubricant

355ml Bottle

RRP £20.04
£19.99
Price Beater
RED LINE Lead Substitute Additive
Silkolene PRO FST Fuel System Treatment For Petrol Engines

Our selection of lead replacement petrol and fuel additives for classic cars is ideal for enthusiasts looking to preserve performance without compromising on reliability. Whether you’re maintaining a cherished classic or regularly using older engines, these fuel additives for classic cars help prevent valve seat recession and support long-term engine health when running unleaded fuel.

At Opie Oils, we only stock proven brands trusted by classic car owners and specialists. With over 15,000 five-star reviews, you can rely on us for quality and consistency, backed by genuine expertise and free UK-based advice to ensure you choose the right product first time. Looking for engine oil for classic cars, gear oil for classic cars, and other oils and lubricants for classic cars? Whatever you need, we’ll help you find it.

Enjoy fast UK delivery, a 60-day returns policy, and our no-leak guarantee, making it easy to keep your classic car running exactly as it should.