- Replacement piston kit for Koso 170cc GROM big bore cylinder kit.
Shipping weight: 0.82 lbs
Shipping size (L x W x H): 4.00 x 4.00 x 4.00 inches
Style: Forged
Compression Ratio: 11.5:1
Material: Aluminum
Packaging: Each
Bore: 61.00mm
Type: Replacement Piston Kit
Made in TW
Sold as: EA
Fitment information not available for this item