350 Diesel-400-425-455 Oldsmobile Mondello premium Viton rubber rear main seal is the more durable material for performance/race Oldsmobile engines. Available as rear main seal only or as rear main seal and oil pan gasket set.
350 Diesel-400-425-455 Oldsmobile Mondello premium Viton rubber rear main seal is the more durable material for performance/race Oldsmobile engines. Available as rear main seal only or as rear main seal and oil pan gasket set.