SEI MARINE PRODUCTS- Evinrude Johnson Impeller Kit 8 9.9 10 15 HP 2 Stroke 4 Stroke 1974-2007 This impeller kit fits 9.9, 10 & 15 HP 2 Stroke (1974 - 2007), and 8,10 & 15 HP 4 Stroke (1995 - 2004) Evinrude Johnson outboard lower units.