Sierra 18-7748 Carburetor KitSierra aftermarket carburetor kit. Sierra Marine's engine parts are manufactured to meet or exceed OEM specifications.Fits: 1987-1997 MCM/MIE/Tow Sports 350 Mag & 5.7L/XL Engines with 9665 & 9781 Weber Carbs; 1990-1997 MCM/MIE 454 Mag. 7.4L & 8.2L Engines; Use with: 18-7613-1 CarburetorInterchangeable with: Mercruiser Stern Drive; 808697; 809064; 8M0120193; Carter/Weber; 9600; 9662; 9663; 9665; 9665S; 9666; 9772; 9772SA; 9773; 9774; 9776; 9776S; 9776SA; 9776SB; 9777; 9779S; 9780; 9780S; 9782; Mallory; 9-37639;