New and high quality. Made of high-quality metal for strength and durability. Rust and corrosion resistant. These ignition control modules feature state-of-the-art electronics for high coil output and reliability. The dwell control circuit ensures long, consistent coil charging, and the current control circuit protects against coil overheating and resists false triggering from the RFI of high-output coils.Specification: Material: Metal + Plastic Color: Black Fit for: GM Chevy 4, 6, 8 cylinder 1975 & Up Reference OEOEM: 1875990 830931 9348922 D190 Size: Approx. 89x27x10mm 3.50x1.06x0.39 inch Note: Please check the yearmakemodel or use the compatibility finder to confirm part numbers before purchasing. Package included: 1 Piece Ignition Control Module