and . Made of metal for strength and durability.rust and corrosion resistance. These ignition control modules come with -state 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: MetalandPlastic Color:Black Fit for: for GM Chevy 4, 6, 8 cylinder 1975 and Up Referencia recombine OE/OEM: 1875990 830931 9348922 D190 Size Chart: Size: Approx.89x27x10mm/3.50x1.06x0.39 inch Package Includes: 1 Piece Ignition Control Module Note: Please check the or use the year/make/model check for finder and replace part numbers to confirm the compatibility before purchasing. Wish you have a pleasent shopping. Specifications: Material: MetalandPlastic Color:Black Fit for: for GM Chevy 4, 6, 8 cylinder 1975 and Up Referencia recombine OE/OEM: 1875990 830931 9348922 D190 Size: Size: Approx.89x27x10mm/3.50x1.06x0.39 inch Note: Please check the or use the year/make/model check for finder and replace part numbers to confirm the compatibility before purchasing. Wish you have a pleasent shopping. Package included: 1 Piece Ignition Control Module Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.