4x 3/8” x 2 1/2”-16 Sae Exhaust Manifold Studs + [4] 3/8 Black Phosphate Self Locking Nuts.

4 - 3/8” x 2 1/2”-16 manifold studs with stud finder

4 - 3/8” - 16 Black phosphate grade 5 top crimp self locking nuts

8 pcs total