Got a bike with a black engine that just isn’t so black anymore?

Bikers like you told the makers of S100 they needed special help in this area and they listened!

S100 Engine Brightener can take a tired, greyed-out engine and make it look almost factory-new again! Just clean the engine and dry, then spray on our temperature stable S100 Engine Brightener.

Use the handy misting spray nozzle (an industry exclusive) to get into the cooling fins and crannies without over-applying.

That factory black look comes back and lasts for miles and miles and holds up to a bunch of washes, too. Friends will think you replaced the engine!

4.5oz aerosol. Please note this item only ships via land based postal services.

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  Can't speak highly enoughof this product  I live in a hard water area, and after washing, the black engine on my Rocket III looks more grey than black. This product completely solves this. No washing off - just spray on, stand back and admire!! Couldn't be simpler or more effective - a great product - tin's a bit small - will do 3/4 coats.   Tim Osborne - Wiltshire

  Does what it says on the tin brilliantly  Followed the instructions and the engine came up nice and clean and black again (if that makes sense). Gotta admit can't figure out how it works or why its so quick but who cares - does what I want and I'll order more   Jimmy Young - Scotland

  Brilliant stuff!!!  Gota Harley with a black engine that was starting to look very grey and tired. Sprayed this stuff on and almost instantly the engine is back to showroom condition. It even got rid of various polish smears that had inevitably stained the engine when polishing the brightwork. Fantastic stuff.    -

  A must have item  Got this for my Harley, first black engine and was worried how to keep it looking good, well this is the product to do just that, have used it twice so far and think it's great.   Philip - Southampton

  Fantastic product  I recommend this certainly to anyone with a black engine Harley its is great it does what it says and also it has no effect on chrome if you over spray - id deffinatly buy more when i need it - one more thing the tin is quite small but there is more than enough to do at least 2 sessions with it -   James Reid - Tamworth

  Why did no one tell me about this  Just bought my first can for my night rod special and was very impressed with the results. I can use it on my black exhaust heatshileds also and it bring them up like new. Great product and fantastic customer service. Will buy again, and again, and again   Brian - Derry, N.Ireland

  Nothing else compares!  I have been using this product on the black engine/casing paint of my old Harley for longer than I care to remember - the black stays really black, makes washing easier (even between the fins) & is heat resistant. If it works where I live (the wettest place in the Universe) it will work anywhere!   Alan - Scottish Highlands

  This is some great stuff  Amazing it works great- buy some!    -

  Now on my fifth can....  This stuff is the ONLY thing to keep your Black Harley engine looking good.... I have been using it for ten years and people always comment on how good my bike looks..... great service also.....   Richard Dixon - Stevenage

  Engine stays black and saves polishing time  Excellent product, used to spend hours trying to get those whitish streaks off enginge casings but this eliminates them completely and keeps black even after washing.Spray gets into all the fins and corners too with the same result. Highly recommended   Spikey - Yorkshire