We were in the middle of working on a Belt drive for the 455 until the covid hit other set backs for now . The Stock Timing cover is deleted completly , however it requires a different cam nose which the BOP guys are working with Bullet cams . S0 for now we had to resort to the old crappy cover. To answer the question cover is stock 455 cut up to fit the SRE front engine mount plate , SRE oil pump mount , We made the adapor for the Daily 5 Stage drysump & the water pump cover is Brandons part he made .