Our one-wire alternator kit for 4.2 Series I E-Types brings vastly improved performance and reliability to your E-Type's electrical system. The 84-amp GM-type alternator uses all new components and can easily handle the increased electrical demands of modern audio systems, cooling fans, etc. This kit is completely "bolt-in" and will allow you to easily convert back to the stock alternator should you wish. Looks very close to original and is about the same price as a rebuilt Lucas alternator. Installation couldn't be simpler: the new alternator bolts to the stock bracket and uses the stock belt. Our kit includes alternator with the custom pulley installed, custom adjusting bracket, a new belt and all mounting hardware. We even include a section of heat-shrink tubing to protect the original alternator plug! Please note that this kit is for Series I cars with tachometer generator only.