Manifold & Riser Kit, Exhaust AL 6.0L – 6.2L MP2K Marine Power high performance semi-tuned aluminum exhaust manifold and riser kit. Fits 6.0L, 6.2L (LS3 and LSA) GM LS engines. Exhaust comes unpainted ready for primer and paint. Image shown with painted system. Includes: (2) Manifolds (2) Risers, Riser to Manifold Gaskets, and hardware.