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Complete 85cc cylinder kit with 49cc print for NT engine blocks.
Features:Assembly by us is possible. If you are unsure whether this fits your engine block, feel free to send us an email.
Please note: the code: GK4 (GB2 also fits)
Tips:
- This kit works best with a +/- 20mm carburetor (but is not strictly necessary).
- Make the gear ratio slightly heavier (choose a larger front sprocket) to achieve higher speeds. Do not do this (or not too much) if acceleration is your main goal.
Are you unsure whether this fits your engine block? Or do you suspect it should fit your engine block? Feel free to send us an email with your question!