Free - Twin Disc MG-514B Troubleshooting Guide Twin Disc MG-514B Marine Transmission Parts - Plate Section Loading... 1 Clutch plate for Twin Disc marine gear MG514 . Price: $ 100.60 Qty: ^ Pictures In Stock Add to Cart 2 Clutch plate for Twin Disc marine gear MG514 . Price: $ 74.97 Qty: ^ Details In Stock Add to Cart 3 Spring for Twin Disc MG514 Marine Transmission . Price: $ 4.82 Qty: ^ Details In Stock Add to Cart Go Back Free - Twin Disc MG-514B Troubleshooting Guide