6LT8.9 DCEC Exhaust Manifold 3971430: Engineered for Excellence by Shree Engineering Services Introduction The 6LT8.9 DCEC Exhaust Manifold 3971430 from Shree Engineering Services is designed to provide exceptional performance and durability for Cummins 6LT8.9 DCEC engines. Built to handle the demands of high-performance and heavy-duty applications, this exhaust manifold ensures optimal engine efficiency and longevity. […]