air cleaners  features:

four season #: 33186

 9"Lg.x3-1/2"O.D

Inlet:3/4"Male Insert O-Ring

Outlet:3/4"Female O-Ring

w/1/4"Port

Includes:

(2)24512 O-Rings

(1)24542 O-Ring

(1)24506 O-Ring

GM:1131487,3059155

BUICK,OLDS.........................91-85

CADILLAC.............................88-85

CHEVROLET.........................94-84

PONTIAC...............................94-85