BRAND NEW UNIVERSAL 8 INCH THREADED KELCH GAS CAP WITH GAUGE. CAP IS BLACK IN COLOR. THIS CAP IS FOR TANKS THAT MEASURE 8 1/4 INCHES FROM TOP OF THREADS TO BOTTOM OF TANK. THE INSIDE DIAMETER OF CAP IS 2 1/4 INCHES. THIS CAP IS KNOWN TO WORK ON POLARIS ATV MODELS SUCH AS SCRAMBLER 500 TRAIL BOSS MAGNUM, EXPLORER,  ETC. IT ALSO FITS ON SOME ARTIC CAT MODELS THE 96 BEARCAT 4X4 FOR SURE. IT DOES NOT FIT ON ALL MODELS, SO YOU WILL NEED TO MEASURE YOUR TANK NO MATTER WHAT BRAND OR MODEL YOU HAVE BECAUSE SOME OF THE NEWER MODELS HAVE SHALLOW TANKS. JUST AS LONG AS THE TANK OPENING IS 2 1/4 INCHES AND OVER 8 1/4 INCHES DEEP THEY WORK GREAT!  MEASURE FROM THE TOP OF THE FILLER NECK STRAIGHT DOWN TO THE BOTTOM OF THE TANK. MUST HAVE AT LEAST 8 1/4 INCHES OR SO FOR IT TO WORK. WHEN MEASURING THE FILLER NECK ITS THE OUTSIDE DIAMETER YOU NEED.  I CAN CUSTOM MAKE A CAP IF  YOU NEED SHORTER OR LONGER. I CAN MAKE THEM UP TO 13 1/2 INCHES AND AS SHORT AS 5 INCHES. THIS CAP LETS YOU KNOW HOW MUCH FUEL YOU HAVE LEFT WITHOUT REMOVING CAP!  KELCH CAPS ARE MADE PROUDLY IN THE U.S.A. CANADA BUYERS REMEMBER FIRST CLASS POST TAKES 8-12 BUSINESS DAYS DUE TO CANADIAN CUSTOMS.  THANK YOU.