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SKU: QYKMJ-BA/49 | QYKMJ-BA/50 | QYKMJ-BA/51 Category:


  • Furious ONCE official website.
  • We selling 100% original Furious ONCE product.
  • Racing block can fit for Honda Ex5 Hi power
  • Class 1 racing block 57MM  without Ear
  • Piston more power and durable
  • Enhance your motor super super power.
  • Plug and Play
  • Very good quality material.
  • Easy install to your motorcycle.
  • Modified racing must have it.

Additional information


55MM, 56MM, 57MM

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