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

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


Regular price $399.00

  • 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: ADBM04-317-H

  • Low altitude PN: 04-317-L


Gain huge throttle response, awesome grunt and great power with the BMP Stealth Improver head mod kit for your '15-Up AXYS 600. This kit requires your stock head which we then machine out to accept our billet interchangeable domes. You will notice an instant improvement in how fast the motor revs and responds. 4-5 horsepower gains throughout the powerband for flat landers and 6-7 HP gains for high altitude applications. Easy bolt-on performance while keeping a stealthy look!