GM LS 1.615 S/A Exhaust Valves 5.227 OAL

The GM LS 1.615 S/A Exhaust Valves by FERREA are designed for serious LS engine builders and performance enthusiasts seeking enhanced reliability and performance. These valves are particularly beneficial in high-rpm applications, especially in forced induction and naturally aspirated builds. They are engineered to improve scavenging efficiency and peak power delivery.

With a head diameter of 1.615 inches and an overall length of 5.227 inches, these valves are crafted from high-performance alloy steel, ensuring superior heat dissipation and resistance to thermal fatigue. They are designed to accommodate higher lift and duration cam profiles, which is crucial for maintaining performance under extreme conditions. The precision machining of these valves enhances their compatibility with factory LS cylinder heads.

Professional engine builders and tuners often choose FERREA exhaust valves for competitive motorsports and high-horsepower LS swaps. These valves are built to withstand the rigors of aggressive valve events and repeated thermal cycling, making them a reliable choice for those who cannot compromise on performance. Proper installation may require valve seat machining and specific spring pressures to ensure optimal performance.