Continental Motors A65 Piper J-3 Cub Aeronca Taylorcraft Engine Piston Tea Light Candle Holder Authentic 1940's Piston off a Continental Motors A65 Airplane Engine. Piston Measures 4 inches in Diameter X 3 Inches High Center hole is made to hold a standard size tea light Awesome gift or conversation piece Piston has been removed from engine, cleaned, blasted and machined.