Coating Coverage All exhaust system coatings (approx.)Small V8 Headers & Cast Iron Manifolds :- 4oz per pair (120ml approx.)Medium V8 Headers :- 6 to 8oz per pair ( 240ml approx.)Large V8 Headers :- 10 to 12oz per pair (350ml approx.)Industrial :- 400 square feet per gallon (35 square meters) Equipment Ball MillPaint Shaker