material Easy to installaton Light weight and durability This is High quality of Plastic+Metal material assurance tested, more responsive, less expensive, easier to install. These Procomp Electronics coil delivered 300 milliamps and 40,000 V of spark. The coil feature efficient E-core windings, brass terminals, and a Rynite housing. Coil Wire Attachment: Male/HEI Coil Style: E-core. Primary Resistance: 0.355 ohms Coil Internal Construction: Epoxy Maximum Voltage: 40,000V Turns Ratio: 70:1 Secondary Resistance: 4.40K ohms Inductance: 6.9 Current: 300 mA Spark Duration: 220 uS Application: Engine Size: 253, 289, 302, 304, , 318, 326, 350, 351, 360 Engine Make: For , For , For , For , For , For Pon Vehicle compatibility charts are for REFERENCE ONLY. Color:Red Material:Plastic+Metal Package Contents: 1 Set * E-Core Ignition Coil Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.