suitable for the following pumps: P102, P105, P109, P110 Crusader pump 40070 Pleasurecraft pumps RA057026, RA057028  Indmar and Marine Power crank driven pumps, GM 5.7, 8.1 This kit contains: Impeller 10615K Gasket O-ring 12231 Lip seal 18652 Shaft 19308 Snap ring, small 6837 Bearing 08490 Snap ring, large 5126 Impeller specifications: Diameter: 2-9/16" ~ 65.10mm Width: 1 5/8" ~ 41.20mm Shaft: 5/8" ~ 15.90mm Blades: 12 Keyway: 3/16" ~ 4.75mm Material: Neoprene