Sierra 18-4485 Cylinder Head Assembly

• 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

Replaces 5.7L V-8 GM 1987-95 w/Press in rocker arm studs w/ 12 intake manifold mounting bolts- (4 inside intake manifold bolts at 23 degrees); center mount valve covers