Ford Falcon BA, BF, FG, FGX XR6 / G6 / G6E / F6 Barra 4.0L. 5 pcs x M8 Studs & Copper Nuts (Turbo to Dump Pipe). 4 pcs x M10 Studs & Copper Nuts (Turbo to Exhaust Manifold). 1 set x Turbo Gasket Kit. Copper Nuts For High-Temperature & Corrosion Resistant.