Set of 10 50mm high-strength stainless steel studs and m8x1.25 stainless steel nuts Dedicated for intake and exhaust manifolds for Honda BCDFHK Series Honda Acura B-Series Engines (ALL ENGINE MANIFOLD INTAKE & EXHAUST) Honda Acura C-Series Engines ( ALL ENGINE MANIFOLD INTAKE & EXHAUST) Honda Acura D-Series Engines (ALL ENGINE MANIFOLD INTAKE & EXHAUST) Honda Acura F-Series Engines (ALL ENGINE MANIFOLD INTAKE & EXHAUST) Honda Acura H-Series Engines (ALL ENGINE MANIFOLD INTAKE & EXHAUST) Honda Acura K-Series Engines (ALL ENGINE MANIFOLD INTAKE ONLY)