THIS IS A NEW 1955 CHEVY CAR REAR TRUNK LED THIRD BRAKE LIGHT ASSEMBLY. THIS IS A SHOW QUALITY PART MADE BY TRIM PARTS IN THE USA. OUR KIT INCLUDES THE WIRING HARNESS TO MAKE IT ALL WORK, MOST OTHER SELLERS DO NOT INCLUDE THE WIRING KIT. THIS ITEM MOUNTS IN PLACE OF THE ORIGINAL TRUNK EMBLEM MOUNTING HOLES. YOU WILL NEED TO DRILL A SMALL HOLE FOR THE WIRING TO GO THROUGH. A MOLDED GASKET IS INCLUDED. THIS UNIT IS ROUGHLY 13 INCHES LONG. SKU 4421