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The Moroso windage tray for Chevrolet big-block Mark IV engines is produced to match part number 21047 and offers internal oil-control for that Mark IV configuration. It reduces crankshaft windage and helps stabilize sump oil during demanding use. This tray is intended for engine builders and restorers who need a direct-fit internal baffle specific to the 21047 Mark IV arrangement.
Moroso Chevrolet Big Block Mark IV Windage Tray (For Part No 21047)
