Mr Horsepower Moon Holley Doug's Headers Racing Decal Sticker Set Vinyl Mr Horsepower: Sheet measures 6 Inches Long by 8 Inches High. Large decal measures 5-1/4 Inches Long by 3-1/4 Inches high. Small decal measures about 2-3/4 inches long by 1-1/2 inches high. STP: Each Decal Measures 4-3/4 Inches Long by 3-1/4 Inches High. Holley:Each decal measures 4 Inches Long by 3-1/4 Inches High Doug's: Each decal measures 5 Inches Long by 2 Inches High Hurst: Each Decal Measures 3-1/2 Inches Long by 2-1/4 Inches High