Plug and Play Harness: Simplify installation with genuine connectors that eliminate the need for splicing

6-Speed Ratios

track and street performance builds

as well as the OEM hub material

maximizing piston strength and allowing extra material on the piston ring lands for better reinforcement in forced-induction builds

BMW S14 Valves by SuperTech Exhaust Valve Diameter - Length - Material:33 mm - 123.7 mm - Inconel Plug and Play Harness: SimplifyThe SuperTech High Performance Valve Kit for the BMW S14 engine is designed for enthusiasts and engine builders seeking superior durability, reliability, and power gains. Engineered specifically for the high revving S14 4 cylinder, this kit is ideal for race, track, and performance street applications, ensuring maximum airflow and efficiency. SuperTechs precision crafted valves offer exceptional strength and heat resistance, making them a trusted