This is the 0.1mm Head Gasket for the O.S. Engines 105HZ and 105HZ-R Helicopter Engines.
FEATURES: For easier tuning when a 23% or 30% nitro fuel is used
INCLUDES: 0.1mm Head Gasket
REQUIRES: Removing cylinder head and installing between cylinder head and crankcase
SPECS: Thickness: 0.00393" (0.1mm)