Air Cleaner Base, 14 in Round, 5-1/8 in Carb Flange, Drop Base, Lightweight, …
OD IS 14.25 IN WITH A 1.25 IN FLANGE. 1/2 SPACER PLACES BASE 1-1/8 BELOW CARB NECK. 1 SPACER PLACES BASE 5/8 BELOW CARB NECK. 1-1/2 SPACER PLACES BASE 1/8 BELOW CARB NECK. 2 SPACER PLACES BASE 3/8 ABOVE CARB NECK.