SLP has done it again! Providing more horsepower through combustion chamber design, these billet heads for the Polaris Patriot 850 Boost engine deliver an impressive 6 horsepower peak. They are designed to maintain compatibility with 91 octane pump fuel for optimal reliability and consistency. Currently available for use with stock engine/pipe configuration as well as an SLP lightweight silencer and an SLP Powder Valve Intake Kit (SLP Stage 1.5, which provides a total of 7.8 horsepower peak) with no fuel management changes required.
 
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