hitch assembly 1967 overlander
Unless a previous owner has changed the original coupler, you should have a 2" Marvel coupler. If my information is correct, Airsream didn't switch to the 2 5/16" coupler until 1969. Inland RV among others should have rebuild kits for the original couplers.
Kevin D. Allen
WBCCI (Lifetime Member)/VAC/Free Wheelers #6359
1964 Overlander International/1999 GMC K2500 Suburban (7400 VORTEC/4.11 Differentials)
1978 Argosy Minuet 6.0 Metre/1975 Cadillac Eldorado Convertible (8.2 Liter V8/2.70 Final Drive)