Shop › Fits Challenger Hellcat Demon Hemi SRT Keychain Gray Matchbox Hot Wheels Image 1 of 4 Image 2 of 4 Image 3 of 4 Image 4 of 4 Fits Challenger Hellcat Demon Hemi SRT Keychain Gray Matchbox Hot Wheels $24.99 Custom made Fits Challenger Demon Hellcat SRT Gray Keychain. Made from new diecast 1/64th scale cars. Add To Cart Added! Custom made Fits Challenger Demon Hellcat SRT Gray Keychain. Made from new diecast 1/64th scale cars.