THIS IS A NEW CHROME AIR CLEANER BACKING PLATE FOR SMALL AIR CLEANERS AND WITH A MIKUNKI CARBURATOR THE OPENING FOR THE CARBURATOR IS 1&3/8" INSIDE DIAMETER THE OUTSIDE DIAMETER  IS 5&1/2" THE INSIDE IS 5&1/4"  

SEE MY OTHER LISTINGS FOR MORE HARD TO FIND ITEMS. I DO THE BEST I CAN TO DESCRIBE ALL ITEMS AS HONESTLY AND ACCURATELY AS I CAN. IF YOU HAVE ANY QUESTIONS PLEASE ASK BEFORE BUYING. YOU SHOULD ALSO CHECK FITMENT BEFORE BUYING. PAYMENT MUST BE RECEIVED WITHIN 3 DAYS 

I WILL TRY TO SHIP ITEMS WITHIN 1 BUSINESS DAY AFTER PAYMENT IS RECEIVED

I HAVE A FOURTEEN DAY MONEY BACK RETURN POLICY ON ANY ITEM YOU PURCHASE FROM ME MY ADDRESS IS HIPPY'S M/C PARTS 2584 HWY 44 WEST SHEPHERDSVILLE KY 40165

HIPPY'S MOTORCYCLE PARTS EXPECTS THEIR CUSTOMER TO EXERCISE GOOD JUDGEMENT AS TO THE PROPER INSTALLATION OF ANY PARTS. I ASSUME NO RESPONSIBILITY FOR DAMAGE OR INJURY OF ANY KIND DUE TO INSTALLATION OF PARTS PURCHASED FROM ME IN ANY WAY BY ANY PERSON.