S&S Diesel Motorsport

S&S Diesel Motorsport is a trusted leader in high-performance diesel fuel system components, known for engineering solutions that prioritize reliability, precision, and real-world performance. Designed and manufactured in the USA, S&S Diesel products are built to support everything from hard-working daily-driven trucks to high-horsepower race and competition applications.

S&S Diesel specializes in critical fuel system upgrades including diesel fuel injectors, CP4 to CP3 conversion kits, lift pumps, fuel rails, and complete fuel system solutions. Their products are rigorously tested to handle high pressure, increased fuel demand, and extreme operating conditions commonly found in Duramax, Power Stroke, and Cummins platforms.

With a strong focus on solving OEM fuel system weaknesses, S&S Diesel components are engineered to improve longevity, fuel delivery consistency, and overall engine protection. From preventing catastrophic CP4 failures to supporting higher horsepower builds, each product is designed with tight tolerances, premium materials, and proven performance data.

Browse our full selection of S&S Diesel products to find fuel system upgrades engineered for confidence under load, clean power delivery, and long-term durability. Whether you’re upgrading for towing, street performance, or competition use, S&S Diesel delivers dependable solutions trusted by diesel enthusiasts and professional builders alike.