Pay in 4 interest-free payments of $37.50 Learn more
Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
Compression Ratio: 12:1
Aprilia SR50
These rotors are made from high-end materials making them much more efficient and effective than stock rotors
signal strong increase to 20%
This kit can access hidden Zuma 125 power up to approximately 10mph gain
DROWsports LS181 4 Valve Honda Grom / Monkey Performance Cylinder Kit Gen 2 Apparel Compression Ratio: 12:1DROWsports LS 4v 181cc Performance Cylinder Kit for the Honda Grom MSX125 and Honda Monkey was designed specifically for the KOSO Grom 4v Head. We wanted to offer an affordable upgrade for the KOSO 4 Valve Head. Taking features from the 170cc piston like; lightweight piston, strutted design piston, radius edge dome etc and applied it to our kit. We love everything about the 61mm (170cc) KOSO but we wanted a little more displacement. Piston Features
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