Add this heavy-duty chassis undercoating to any new or well-loved undercarriage parts that you want to last. The 85% gloss level produces a bright OEM shine that looks amazing when someone crawls underneath. A one-quart can will cover an average vehicle frame. Get an aerosol spray can for touch-up work. For the best results, apply Extreme Chassis Black Primer to the bare metal before painting. Note:  This paint cannot be applied over top of self-etching primers. Extreme Chassis Black High Gloss is up to 3X more durable than Eastwood Original Chassis Black . This maximum durability epoxy formulation offers improved solvent, brake fluid, chip, fuel, scratch and corrosion resistance. Also Available US Quart (946ml) . Not recommended for use over self-etching primers. Prime Rusty Metal with Eastwood Rust Encapsulator and use Extreme Chassis Black Primer for improved adhesion and durability. Note: Allow 15-20 minutes between coats of Extreme Chassis Black. Extreme Chassis Black High Gloss can be recoated at any time without lifting. Also Available: Extreme Chassis Black SATIN.