Honda Hub Assembly: 99 & Later Piranha Propeller Honda Hub Assembly: 99 & Later HB4-99 This assembly includes: (1) BH4-2 Center Hub (1) RCM4 Rear Cap (1) Greasepkt (1) Piranha Sticker (1) Info Brochure (1) Instruction Booklet This assembly is used by:Honda: 130.0, 115.0, 90.0, 75.0 HP