S100 19200A-04 Engine Brightener Aerosol - 4.5 oz., 4-Pack

My go-to for a clean looking motor. Works very well, keeps the engine bright. The can is more than enough for the price. I have a (blonde) motor on my 08 dyna and I've been using this stuff for years. It's easy to apply and does not get/stay sticky. DO NOT spray on your exhause though, or anything you don't want a coating on. Also, make sure to use the attached nozzle, to avoid over-spray.

Amazing product. Keeps the wrinkle black looking fresh on both of our bikes.

This product blows "Pigspit" out of the water! Cleans better and puts a shine on the "black wrinkle" that genuinely looks like showroom quality. The cans kinda small but it works better than anything else I've tried to date. Pics dont do it justice. Will buy again

Apply to clean and dry, cold engine. Tip sprays pretty neatly allowing you to keep on black finishes. Makes the black pop, and seems to last a long time. I applied it couple years ago and still looks great after washing.

Works great. Brought back a great look to my 15 year old Harley. Used a full 4.5 oz can on it. Soaked it up like a wick. I gave it only 4 stars as I don’t know how long it will last. If it last as long as they say, I’ll come back and give it 5 starts.

I love this stuff, makes the engine block on my Road King look like new.

I have a 2013 Softail Deluxe and the motor was starting to "gray" a little in the black areas. I sprayed this stuff on there and now the motor looks brand new!! There is some overspray even with the nozzle, but it wiped off the chrome easily. One can (using excessively) was enough to cover everything I needed so I have an extra for next time. Highly Recommend - 10/10

Great for polishing my Harley

It made my black Harley engine sparkle