Model Compatibility: Fits CBR400RR NC23 models from 1988–1989 and CBR400RR NC29 models from 1990–1995 only.
Part Number Match: Replaces part number 12391-MV4-000 as specified for the listed motorcycle models and years.
Component Type: Cylinder head gasket seal designed to restore sealing function between cylinder head and engine block.
Application Scope: Intended solely for use as a replacement gasket in the motorcycle engine's cylinder head assembly.
Functional Purpose: Maintains factory-specified compression and coolant/oil separation when installed per configuration.
Description
Cylinder head gasket seal for motorcycle engine.Compatible with CBR400RR NC23 (1988–1989) and CBR400RR NC29 (1990–1995).Part number 12391-MV4-000.Material: rubber.Weight: 60 grams.Dimensions: 20 cm × 14 cm × 3 cm.