Holley Hi-Ram Intake Manifold - Ford Coyote EngineLike the other Coyote Hi Ram manifold kits, included are fuel rails for use with OEM type fuel injectors and clips, mounting hardware, and O ring gaskets. Offered in black and natural as cast finish, both manifolds have a 9. 20 inch runner length, ample plenum volume, and are designed to improve the mid to high RPM powerband. The 300 915 BK simplifies the fabrication of inlet piping which is more simply mated to a round throttle body. In combination