The most advanced cylinder head design yet, this head set pumps out an extra 2.5 horsepower peak. With gains from 6 to 11 horsepower in the midrange over stock, it also packs an especially potent midrange punch. Designed to work well with stock and modified engines, this head set is compatible with 91 octane fuel. It also utilizes individual combustion chambers for service convenience and for selection of the proper compression ratio for elevation, sled configuration and desired fuel quality.
Polaris - 800 CFI ’08-10
These billet heads utilize the latest in SLP combustion chamber designs to provide an additional 3 horsepower peak with improved throttle response throughout the midrange. They feature interchangeable chambers (Domes) for use in low or high altitudes, and utilizes the stock water plate for stock appearance.
Polaris - 800 CFI 2 '11-12
These SLP Power DomeTM billet heads provide an additional 3 horsepower
peak with a much more responsive midrange. They feature interchangeable
chambers (Domes) for use in low or high altitudes, and utilizes the stock
water plate for stock appearance.
