Flywheel fits 5.0L & 5.7L GM V8 with 1-piece rear main seal (1987 & newer).
4.1L, 250 Marine Timing Cover
4.3L, V6 Timing Cover with Sensor Hole
4.3L, V6 Marine Timing Cover
This timing cover fits all GM V8 5.0L, 5.7L Marine Engines