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Starting Line Products Power Dome Billet Head for Polaris 800 PRO-RMK 155 2015 12-407

Part Number: 09300123
STARTING LINE PRODUCTS
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SKU:
09300123
MPN:
12-407
Condition:
New
Availability:
Ships Same Business Day
Weight:
4.40 LBS
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MSRP: $535.95
Now: $509.15
Was: $535.95
— You save $26.80
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Description

The Starting Line Products Power Dome Billet Head is engineered to unlock measurable horsepower gains while maintaining combustion stability across a range of engine configurations. Whether you're running a stock 800 PRO-RMK 155 or pushing boost through a modified setup, this CNC-ported cylinder head delivers the thermal efficiency and detonation resistance needed for consistent, reliable performance at low altitudes. Installation is straightforward—bolt it on and feel the difference in throttle response and peak power delivery.

  • Billet aluminum construction
  • Advanced combustion chamber
  • CNC-ported design
  • Low-altitude optimized
  • Reduced detonation risk
  • Stock or modified compatible
  • Bolt-on installation
  • Polaris 800 PRO-RMK 155 (2015+)
  • MPN: 12-407
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Specs

COLOR/FINISH:
ALUMINUM
FEATURES:
ALTITUDE IS 0' - 6,000'
MATERIAL:
ALUMINUM
RIDING STYLE:
SNOW
MODEL:
POWER DOME
PRODUCT NAME:
HEAD
FEATURES:
4.2 HP PEAK
TYPE:
CYLINDER
UNITS:
KIT
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Fitment

Fitment for Starting Line Products Power Dome Billet Head for Polaris 800 PRO-RMK 155 2015 12-407

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