Overview Reviews Product Description Manifold studs are easily removed if rusted, broken or stripped. Made of low carbon steel. Simply drill out or burn out with a torch. Preferred by muffler shops everywhere. Coarse thread both ends. Papco Automotive Catalog Product Videos Custom Field Box quantity 10 Size 3/8-16 x 3" Product Reviews Write a Review Write a Review × Paulin 3/8-16 x 3" UNC Bare Manifold Stud 10 Pc. 264-509 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *