1991 Chevrolet Commercial Chassis equipped with 5.7L V8 Gas OHV, 5.0L V8 Gas OHV
2
( 2 Stud(s) ) 3/8-16 (in) x 3-1/4 (in) ( 4 Bolt(s) ) 3/8-16 (in) x 2-1/4 (in) Set Services One Exhaust Manifold Replacement recommended
1991 Chevrolet Commercial Chassis equipped with 5.7L V8 Gas OHV, 5.0L V8 Gas OHV
( 2 Stud(s) ) 3/8-16 (in) x 3-1/4 (in) ( 4 Bolt(s) ) 3/8-16 (in) x 2-1/4 (in) Set Services One Exhaust Manifold Replacement recommended
