SPELAB race fuel pressure relief valves are designed to replace the stock pressure relief valve. Manufactured from heat-treated stainless steel, they help maintain fuel rail pressure during heavy engi…
TL;DR: SPELAB race fuel pressure relief valves are designed to replace the stock pressure relief valve. Manufactured from heat-treated stainless steel, they help maintain fuel rail pressure during heavy engine load conditions. These PPE valves eliminate the potential low-pressure DTC codes P1093 or P0087 (…
