There are several companies and collections related to "Racing Replica Co" in various contexts:

1. Racing Replicas in Colchester, UK, specializes in handmade slot car replicas, focusing on pre-1970 racing cars and offering bespoke detailing and personalized projects. They also sell resin slot car body kits and accessories.

2. RacingReplicaCo offers high-quality F1 replicas, seemingly targeting fans looking for replica merchandise, including for Halloween needs.

3. There are also MotoGP and motorcycle race replica leathers and gear available online, inspired by professional racing suits for fans and riders, providing style and protection.

4. Another company, Race Car Replicas, manufactures vintage race car replicas with modern engineering, offering 12 different models with accurate bodies and advanced chassis design.

If you seek a specific kind of racing replica, such as slot cars, F1 merchandise, motorcycle gear, or vintage race car models, each of these options caters to different interests within the racing replica niche. Please specify the exact type or focus you want to explore further.