Exhaust Stud Bolts And Nuts Exhaust Manifold Gasket, Nut And Bolt Kit. Porsche 996 GT3 - MANIFOLDKIT996GT3 | Design 911 Corrosion Resistant Exhaust Bolts The kit has good corrosion resistance, high hardness and no deformation after prolonged use. M8 24pcs 45mm Exhaust Manifold Pin Bolt Kit Compatible with Nissan Perfect Replacement Easy to attach the exhaust manifold to the bonnet. Dorman Products - Aftermarket Auto Parts & OE Solutions - 03413HP : Exhaust Manifold Hardware Kit - M8-1.25 Stainless Steel. This NAPA Advantage kit contains twelve M8-1.25 x 30mm exhaust manifold bolts made of 100 percent stainless steel for superior resistance to heat and corrosion, enabling a more durable repair. They match the fit and function of the original hardware Item specifications: Bolt dimensions: M8 x 45 mm Nut dimensions: M8 x 1., 25 mm Material: metal Colour: black Quantity: 8 sets Package contents: 8 sets of nuts with bolts Performance Parts Exhaust Parts Studs & Nuts The package contains 8 piece stud bolts and 8 piece nuts.