THIS IS A OEM TRIM GAUGE. MANY DIFFERENT YEARS OF APPLICATIONS FROM A 40 HP THRU 300 HP MOTORS  GAUGE DIAMETER REQUIRES A  2 1/8 HOLE . SO PLEASE MAKE SURE THIS IS THE CORRECT PART FOR YOUR APPLICATION. SOLD AS IS ABSOLUTELY NO RETURN  FOR A REFUND . SORRY I'M NOT AMAZON OR WALMART PURCHASE SHIP OPEN TOUCH THEN RETURN ON MY $$. WILL SHIP USPS MAIL IN THE LOWER 48 STATES