Audi 5c 20v
October 1, 2018
BMW 4c 16v
October 2, 2018
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BMW 4c 8v

Category:
  • Porting work with smooth or corrugated finish, including rectification of valve seats
  • Dimpling finish (golf ball effect)
  • Work of the combustion chamber
  • Working intake manifold
  • Replace valve guide
  • New valve seats in Berylium