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Review on πŸ›΅ Enhance Performance with Trkimal's Complete GY6 Cylinder Head Rebuild Kits: Big Bore Upgrade and Valves for 157QMJ Engines in Chinese Scooters and Mopeds by Robert Hunter

Revainrating 2 out of 5

Part differences would be nice

Everything was great except the new head was about 3/4 inch shorter than the original. The new timing chain was also 2 links shorter than the original. If you are sending a shorter head than the original it would be nice if you could send shorter can and head bolts.

Pros
  • Cylinder Heads
Cons
  • Compatibility