20 M8 Brass Exhaust Manifold Nuts, M8 x 1.25, M8 Exhaust Turbine Nuts, for E30 A2001420072 11621711954

1. High-temperature resistant bimetallic construction. Carbon steel core, grade 10.9, specially treated and coated with a pure copper anti-jamming layer, capable of withstanding extreme temperatures up to 450°C without welding or deformation. 3. Optimized technical dimensions ensure a secure fastening: M8 × 1.25 mm metric thread, 10 mm internal thread diameter, SW13 hex head, milled edges prevent wear during disassembly. 4. Certified to maintain its durability under extreme conditions: withstands severe vibration, chemical corrosion, and repeated thermal shock (-30°C to 450°C). 5. Complete kit for efficient maintenance. Includes 20 high-performance nuts, ideal for replacing manifold or exhaust system fasteners.