Extreme Chassis Black Satin has 3X the resins of traditional coatings, so it's tough enough for any undercar component. You've spent many hours prepping your frame and suspension parts; now top-coat it with a tough, OEM-matching, satin formula that provides extreme durability! 3 times more resins make it 3 times more durable than our original Chassis Black. Improved resistance against corrosion, chips and scratches. Resists brake fluid, fuel and solvents. Matches OEM finish. Apply multiple coats without lifting.