BMP Stealth Improver Head Mod Kit for '15-Up AXYS 600

04-317
In stock
$300.00
BMP Stealth Improver Head Mod Kit for all '15-Up AXYS 600 models Low altitude kits gain 4-5 mid range horsepower and 2-3 HP peak High altitude kits gain 6-7 HP in the mid range, and 4-5 HP peak No jetting or EFI changes required when just running the head Need...
$300.00
  • BMP Stealth Improver Head Mod Kit for all '15-Up AXYS 600 models
  • Low altitude kits gain 4-5 mid range horsepower and 2-3 HP peak
  • High altitude kits gain 6-7 HP in the mid range, and 4-5 HP peak
  • No jetting or EFI changes required when just running the head
  • Need replacement dome o-rings? Find them HERE
  • Requires your complete stock head to be sent in for modification. Typical turnaround time 1 week. (If in a rush, call for availability on exchange units)
  • High altitude PN: 04-317-H
  • Low altitude PN: 04-317-L
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BMP Stealth Improver Head Mod Kit for '15-Up AXYS 600
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