6x 3/8” x 2 1/2”-16 Sae Exhaust Manifold Studs + [6] 3/8 Flanged Self Locking Nuts.

6 - 3/8” x 2 1/2”-16 manifold studs with stud finder

6 - 3/8” - 16 serrated grade 5 flanged self locking nuts

12 pcs total