Sierra Marine Parts Catalog

648 18-7489 WEBER 750 CARBURETOR • Universal square flange mounting pattern • High-luster polished exterior • Electric choke • Calibrated and flow-tested for mid to high range performance improvement and throttle response. 18-1989 THERMOSTAT HOUSING Replaces: Mercruiser 8M0061381, 861006A1 Stainless Steel Use 18-1989K Thermostat Service Kit for replacement parts 18-1989K THERMOSTAT SERVICE KIT Service Kit for 18-1989 Thermostat Housing 18-7628 INTAKE MANIFOLD Small-block GM with vortec cylinder heads Brass lined water jackets for salt water applications SIERRA HIGH PERFORMANCE PRODUCTS 18-35436 ELECTRIC FUEL PUMP Universal - 12V 5-9 psi @ 16.8 gph 1/8" Female Pipe Thread 18-4508 HEAD BOLT KIT High performance head bolt kit-small block GM 18-4506 GUIDE PLATES Big-Block GM with 5/16" pushrods 18-4507 ROCKER ARM KIT (4 VALVES) Big-Block GM 18-4492 ROCKER ARM ASSEMBLY Replaces: Mercruiser 35329, F3746241, FI1100014, FI1100495 Fits: MCM/MIE Gm V6 & V8(283, 305 & 350 cid) engines 18-35435 ELECTRIC FUEL PUMP Universal - 12V 2.5-4.5 psi @ 16.8 gph 1/8" Female Pipe Thread