Features:
Manufactured using the latest computerized technologies derived from GP and F1.
Forged pistons are more temperature resistant and longer lasting than cast pistons.
These pistons additionally have a piston skirt coating.
The piston sets are supplied complete with rings, bolts and clips.
Airtight function,prevent gas leakage from the top of the piston.
This piston ring also achieve the heat dissipation effect.
Prevent excessive oil from entering the combustion chamber and to fully lubricate the cylinder wall.
Maintain the direction of movement of the piston,so please select the best piston ring for the engine.
This kit includes a piston, rings, wrist pin, and circlips.
Professional install will be highly recommanded.No installation instruction included.

Specifics:
Condition: Aftermarket 100% Brand New
Material: Aluminum
Bore Type: STD / +0.25 / +0.50 / +0.75 / +1.00
Bore Size: 39 / 39.25 / 39.50 / 39.75 / 40
Wristpin diameter: 13mm
Wristpin height: 30mm
Piston height: Approx 36mm
Attention: Modified piston,check out the bore size and height fits your bike or not before you purchase.

Part Number:
13101-GBZ-701(STD)
13011-GBZ-702(STD)
13011-GBZ-703(STD)
13101-GBZ-701(STD)
13011-GK4-306(STD)
13102-GEL-700(+0.25)
13012-GEL-702(+0.25)
13012-GEL-703(+0.25)
13102-GK4-305(+0.25)
13012-GK4-306(+0.25)
13103-GEL-700(+0.50)
13013-GEL-702(+0.50)
13013-GEL-703(+0.50)
13103-GK4-305(+0.50)
13013-GK4-306(+0.50)

Fitment:
Fit for Honda C50 CUB 1985-1996
Fit for Honda XR50 XR50R 2000-2003
Fit for Honda CRF50 CRF50F 2004-2012
Fit for Honda ST50 1988-1996
Fit for Honda ST50 DAX 1988-1990
Fit for Honda ZB50 1988
Fit for Honda Z50J 1988-1993/1996
Fit for Honda Z50R 1988-1989/1991-1999

Package includes:
1x Piston
1x Piston Ring Set
1x Wristpin
2x Circlips

Note:
Please check out the P/N & height fits your bike or not before you purchase.