Ignition Points-to-Electronic Conversion Kit Model or Series: Ignitorfor Ford V8 1957-1974Trigger Type: Hall EffectVoltage: 12 VoltGround: Negative GroundDistributor Advance Type: Vacuum and Mechanical AdvanceMultiple Spark: NoLobe Sensor: NoIncludes Rev Limiter: NoCompatible with CD Ignition Boxes: YesFits Distributor(s): Fits for Motorcraft single-point distributors. It is not for use with solid core spark plug wires.Operating Voltage: 8 V to 16 V DCTemperature Range: -50 to 300FRPM Range: 0 to 15,000 RPM12-V NEG Ground (some 6-V NEG, 6 & 12-V POS ground kits available)Note:Installation guide not included, we strongly recommend you seek professional installation.Please check as much as possible to make sure the item is what you need.Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect UseThe color of the accessory harness is random, no specified color is acceptedColor: As shownMaterial: plastic+metalPackage Contents:1 x Electronic Conversion Kit 1281Only 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.