Product details
Wynn’s Lead Substitute: Give Your Unleaded Petrol Engine the Protection It Deserves
If you’re running an older or classic petrol engine on unleaded fuel, you might be a bit on edge about valve seat wear – it’s a common worry. That’s where Wynn’s Lead Substitute comes into its own. It’s a clever little fuel additive that creates a protective, lubricating layer inside your engine, mimicking the cushion lead used to provide in older fuels. The upshot? Less friction, less wear and tear, and a much happier engine overall—especially if you’re dealing with softer valve seats like many vintage or smaller engines have.
Why bother with this additive?
Well, if you’re like most of us and tend to leave petrol sitting around — whether in your lawn mower, backup generator, or boat during the off-season — you’ll know it doesn’t age well. Over time, oxidation kicks in, causing the fuel to break down and form gums, varnish, and other pesky deposits that clog filters and muck up your engine’s performance. Wynn’s additive steps in to keep your petrol stable by halting that oxidation process and stopping those nasty deposits from forming. That means no more faffing about with blocked filters or struggling to start up after a long layoff.
On top of that, it keeps your entire fuel system clean and free from corrosion, so you can count on smooth, reliable starts every time—even after months of sitting idle. Whether you’re topping up your motorbike’s tank, maintaining a trusty scooter, or getting your marine engine shipshape for the season, this stuff’s a real lifesaver.
Simple to use and incredibly versatile
Made for both two-stroke and four-stroke petrol engines, Wynn’s Lead Substitute covers a wide range of vehicles and equipment. The neat 250ml bottle makes dosing a doddle—just follow the instructions on the label, and you’re good to go. It’s an easy way to extend your engine’s lifespan and keep your fuel fresh without any faff or fancy gear.
In a nutshell, if you want to shield your engine from wear, keep your petrol in cracking condition, and dodge those infuriating deposits, Wynn’s Lead Substitute is well worth a look. Once you’ve given it a whirl, you’ll be wondering how you ever managed without it.







