Big Bore forged piston kit for 4-stroke - pro BB Ø 91.00 C

Piston is heat-treated with a T-5 hardening and tempering cycle
The piston skirt is coated with a high-tech molybdenum disulphide layer for faster running-in and extended piston life
Increases engine capacity, torque and maximum power
Standard compression OE forged large diameter piston
Piston kit includes piston, rings, pin and circlips



Specifications


Brand
VERTEX


Supplier reference
23910C


Engine capacity
860 cc


Cylinder bore - oversize
+6,00 mm


Cylinder bore - oversize
+6,00 mm


Cylinder bore
91,00 mm


Cylinder bore
91,00 mm


Piston diameter
90,97 mm


Piston diameter
90,97 mm


Style
Forged Big Bore


Piston material
Aluminium, Forged


Product name
Piston kit


Piston skirt coating
Molybdenum disulphide


Compression ratio
9,0:1


Compression ratio
9,0:1


Engine type
4-stroke


Units
Kit