Question: Which Italian kart chassis manufacturer is made by Enzo is used for kart racing? 
Sentence (from "Endurance Kart Championship"): The Endurance Kart Championship is a Prokart kart racing endurance series run by Endurance Kart Championship (EKC) Ltd. and held at 3 kart circuits around the south of England: Barton Stacey (Forest Edge Kart Club), Clay Pigeon Raceway, and Thruxton Kart Centre.
Relevant evidence: No