1968-81 Front Wheel Bearing Grease Cap, these are shiny squared grease or DUST caps for the front hub bearing sealing.
ID Dia is 2 inch
OD 53.2 mm/ 2 1/16th
This is the cap that stops dirt & crap getting into your wheel bearing area. .
SOLD IN PAIRS
Does not fit correctly the 67-69 F body Camaro Firebird .