EFI O-Ring & Seal Kit for Mercury Marine / Mariner 150 HP, 175 HP, 200 HP, 225 HP, SportJet 240 EFI, 300 Pro Max, 2.4, 2.5, and 3.0 Liters Laser front injector outboards. Part Number 15029Injector O-Ring & Seal Kit, EFISKU: EFIOSK-77$179.00PriceQuantityAdd to CartBuy Now