1.

SYM DIO oversize Cylinder
Model: DIO-010
SYM Original Size: 39 x 41.4 (49.5cc )

DIO-01050：Dio Big bore 50mm cylinder ( 81.3cc )

DIO-01052：Dio Big bore 52mm cylinder ( 87.9cc )

DIO... (Read more)

2.

SYM DIO Microns Stroke Extended CrankShaft
Model: DIO65-030
Original stroke : 41.4mm

DIO65-030200：DIO 2000 Microns Stroke Extended CrankShaft. (43.4mm stroke)

DIO65-030300：DIO 3000 Microns Stroke Extend... (Read more)

3.

SYM DIO oversize Water Cooler Cylinder
Model: DIO-060
DIO-06052.5：DIO Water Cooler Cylinder 52.5

DIO-06054：DIO Water Cooler Cylinder 54

4.

SYM DIO oversize Water Cooler Cylinder Kit
Model: DIO-080
DIO-080-52.5：108CC

DIO Water Cooler Cylinder Kit.

water cooler cylinder 52.5mm ,water pump 12V

radiator ,hose water ,gaskets base + copper... (Read more)

5.

SYM Wolf oversize Cylinder
Model: WOLF-010
Original Size WOLF 62mm Cylinder.(62*49.5)150cc

WOLF-01065 ：WOLF Big Bore 65mm Cylinder. 164.25cc

WOLF-01067： WOLF Big Bore 67mm Cy... (Read more)

6.

SYM WOLF Microns Stoke Extened CrankShaft
Model: WOLF-030
Original stroke: 49.5mm

WOLF-030800：WOLF 8000 Microns Stoke Extened CrankShaft.( 57.5 mm stroke )

7.

SYM WOLF oversize Cylinder Kit
Model: WOLF-090
WOLF-09065：WOLF Big bore 65mm cylinder kit

WOLF 8000 Microns Stroke Extende Crank Shaft + Big Bore 65mm Cylinder+camshaft (190.8cc)

... (Read more)

8.

Wolf camshaft
Model: SY-CAM
SY-CAM-R Wolf camshaft -R ( RB1)

SY-CAM-RBO Wolf camshaft ( RBO)

9.

GR Big bore cylinder
Model: GR-010
Original Size: 52.4x 57.8 (124.6cc )

GR-01058.5-f GR Big bore 58.5mm cylinder forging (155.3cc)

GR-01061-f GR Big bore 61mm cylinder forgin... (Read more)

10.

GR stroke extended crankshaft
Model: GR-030
Original stroke : 57.8mm

GR-030300 GR 3000 microns stroke extended crankshaft ( stroke : 60.8mm)

GR-030420 GR 4200 microns stroke extended c... (Read more)