MONSTER SPORT-M19 Bore Up Piston Kit for ZC31S

Displacement of M16A becomes 1,884cc from 1,586cc, keeping same stroke.

Performance, strength, weight and shape have confirmed by 3D computer simulation.

*This kit needs full range computer or sub-computer re-setting.
* It is necessary cylinder block processing in order to install.
*This item is for Racing.

Option:Head bolts

Part Name		Part number	Price	Model
M19 Bore Up Piston Kit	NA high compression	139500-4650M	DISCONTINUED	Swift Sport, ZC31S
	Turbo・Super charger	139560-4650M

-Spec

Displacement		1,884cc [Standard 1,586cc]
Bore × stroke		85mm×83mm [Standard 78mm×83mm]
Compression [With high compression cylinder head.]	NA high compression	12.2[Standard 11.1]
	Turbo・Super charger	10.5[Standard 11.1]
Attachments		φ85 Forged piston×4 Piston ring set×4 Piston pin×4 Circlip×8 Sleeve×4 Head gasket×1

Red line:
M19 kit + Monster camshaft
+Monster modyfied Cylinder Head
Gray line: Standard