1986-1992 Mercedes 420 SEL 4.2 Heads & 2 Full Head Gasket Sets Plus 2 Valve Cover Gaskets

Description

These heads have been completely disassembled and gone through professionally. Any worn components have been replaced with new parts.

 

  • Hot tanked for cleaning 
  • Magna-fluxed to check for cracks
  • Resurfaced to spec
  • 16 new valve guides installed (8 intake and 8 exhaust)
  • 6 new exhaust valves installed
  • 1 new intake valve installed
  • 3 chain guides installed
  • Includes 2 Full head gasket sets for both right and left head and 2 Valve Cover Gaskets