Free - Twin Disc MG-520 Troubleshooting Guide Parts for Twin Disc ® MG520 Marine Transmissions - Plate Section 1 Clutch plate for Twin Disc marine gear MG520 & MG520-1 Sintered clutch plate Price: $ 46.55 Qty: ^ Details In Stock Add to Cart 2 Clutch plate for Twin Disc marine gear MG520 & MG520-1 Steel clutch plate Price: $ 63.75 Qty: ^ Details In Stock Add to Cart 3 Gasket Seal Kit for Twin Disc MG520, MG520-1 . Price: $ 1,420.65 Qty: ^ Details In Stock Add to Cart Go Back Free - Twin Disc MG-520 Troubleshooting Guide