Sierra 18-4485 Cylinder Head Assembly
Sierra 18-4485 Cylinder Head Assembly, Cylinder Head Assembly for 5.7L (1987 - 1995) - Special Order est. 10 Days Key Features Fits: 5.7L V8 GM (1987-95)w/press in rocker arm studs w/12 intake mntg bolts; High performance scre in rocker arm studs utilized in GM cyl. heads; Hardned Steel exhaust seats; Stainless Steel Valves; New valve springs, valve locks and retainers; Additional Details Intake Manifold Bolts:; 4 inside at 23; Valve Covers:; Center Mount; Replaces: Mallory; 9-59004; Mercruiser Stern Drive; 938-88474R50; 938-884741R; 938-883490R50; 938-883490; 938-883490R;