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Petroleum-based formula
Using our new state of the art filter oiling machine
Setting unit: Each level represents 20%
Koso has the plug & play solution for you
COOL HEAD DOME STANDARD BORE 17CC YAMAHA 250 F Petroleum-based formulaCNC machined from billet aluminum Interchangeable O Ringed domes allow you to adjust compression for fuel quality, elevation, timing or performance Substantial increases in cooling efficiency
US$ 324.00
US$ 7825.00
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US$ 2815.00
