Mercruiser exhaust sleeves for engine:
3.0L-LX-/3.0L MPI-TKS PLUS/350 MAG/357/377 MAG MPI/383 MAG STROKER/385 PERFORMANCE/4.3L-LX/4.3L MPI/454 MAG/4.5L MPI/496 MAG/5.0L-LX/5.0L MPI/5.7L-LX/5.7L EFI-MPI/7.4L-LX/8.2L MAG/MX 6.2L MPI/MCM200-230-260-262/CMD 1.7-2.8-4.2/CMD QSD 2.8-4.2/D 1.7L-2.8L-4.2L.