Bold and Correct: Original-Style Engine Callout Decal for Your Big Block Corvette
Bring back the authentic factory look under your Corvette’s hood with this exact reproduction 427 Air Cleaner Decal for 1966–1969 big block models. This vibrant, reflective decal was originally applied to the top of the air cleaner lid, just above the horsepower callout band (sold separately). It features crossed flags, bold “427” numerals, and a peel-and-stick backing—making it both stylish and easy to install.
Whether you’re chasing NCRS points or simply want that clean factory look, this OEM-style decal checks every box.
Features • Correct for 1966–1969 427 Big Block Corvettes • High-quality reflective foil with matte red, black, gray, and white detailing • Peel-and-stick adhesive backing—no glue or mess • Installs above horsepower callout band (sold separately) • Includes proper shape and proportions for air cleaner fitment
Dimensions and Weight • Width: 4" (widest flag-to-flag span) • Height: 3.5"
Tech Notes • GM Part Number: 3902414 • Commonly paired with 3902416, 3902417, or 3902418 callout decals depending on engine spec • Designed for steel air cleaner lids.
Because Details Matter Authenticity lives in the little things—and nothing says big block pride like a correctly placed 427 decal on your air cleaner. From show-level restorations to daily pride, this is a finishing touch that honors the legend of the L36, L68, L71, and L72 engines.