1981 Honda Civic equipped with 1.5L L4 Gas SOHC, 1.3L L4 Gas SOHC
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( 2 Stud(s) ) M10 x 1.25 (mm) x 40 (mm) ( 2 Nut(s) ) M10 x 1.25 (mm) Set Services One Exhaust Flange Replacement recommended
1981 Honda Civic equipped with 1.5L L4 Gas SOHC, 1.3L L4 Gas SOHC
( 2 Stud(s) ) M10 x 1.25 (mm) x 40 (mm) ( 2 Nut(s) ) M10 x 1.25 (mm) Set Services One Exhaust Flange Replacement recommended