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Starting Line Products 850 PRO-RMK 155 2019-2021 12-850

Part Number: 09300179
STARTING LINE PRODUCTS
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SKU:
09300179
MPN:
12-850
Condition:
New
Availability:
Ships Same Business Day
Weight:
5.20 LBS
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MSRP: $535.95
Now: $509.15
Was: $535.95
— You save $26.80
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Description

If you're running a modified 850 PRO-RMK on the Starting Line Products platform, cylinder head selection directly impacts your power output and detonation margin. This precision-engineered unit delivers measurable horsepower gains while maintaining stability across varied altitude conditions—essential for consistent performance whether you're at sea level or mid-elevation. The advanced combustion chamber geometry and optimized airflow design make this a core upgrade for serious enthusiasts building reliable, high-output engines.

  • Billet aluminum construction
  • CNC-machined combustion chamber
  • Low altitude optimized
  • Fits 2019-2021 850 PRO-RMK
  • Stock and modified compatible
  • Bolt-on installation
  • MPN: 12-850
  • Increased horsepower delivery
  • Detonation-resistant design
  • Enhanced airflow efficiency
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Specs

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

Fitment for Starting Line Products 850 PRO-RMK 155 2019-2021 12-850

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