S. Jennings Racing, LLC, owned and operated by brothers Cliff and Kevin Jennings, specializes in building high-performance racing engines with over 40 years of experience. The company focuses on quality, reliability, and customer satisfaction, offering full engine rebuild services, research and development opportunities, and custom or off-the-shelf manufactured parts. Their racing division services include rebuilding engines from various decades and utilizing state-of-the-art techniques for meticulous evaluation and assembly. In addition, their manufacturing division provides CNC and manual machining services for a wide range of customers, creating ready-to-install components and custom projects with a focus on quality control and reliability.