This Listing Is For a 3 Piece Set Including 1 NEW CDI Box + 1 NEW Ignition Coil + 1 NEW Solenoid Starter Relay works with: Hammerhead Twister 150 GTS/GT/SS/GL/LT Go Kart Package Include: 1 X Ignition Coil 1 X CDI Box 1 X Solenoid Shipping and Handling: Fast N FREE USPS First Class Mail Items will be shipped out within 24 hours NC Residents to pay Sales Tax 7% Return / Refund Return is accepted within 30 days after the buyer's receiving the item. If this item is defective upon receipt, customer has up to 30 days from date of receipt for exchange of a new one. Include your name, address, item, daytime telephone, how you paid, and if you are requesting a refund or exchange. After getting the returned item, we will refund the customer at the item's price ( excluding the shipping costs to and from).