BOLD MAGENTA part numbers are new for 2025 ENGINE PARTS-UNLIMITED.COM SNOW | 2025 ENGINE 569 FITS MODEL PART # 800 H.O./P-tek, 0-6,000 ft. 03-07 0930-0039 FITS MODEL PART # 800R, 0-6,000 ft. 08-16 0930-0052 BILLET HEADS FOR SKI-DOO •A 4-5 hp increase on all heads •Billet heads provide three times the cooling over stock •Receive increased fuel and mph efficiency from the newly improved combustion chamber •Feature a black anodized finish for corrosion resistance and require no jetting changes •All inserts and O-rings are included 0930-0039 FITS MODEL ALTITUDE (FEET) HP INCREASE PART # POLARIS All 800 08-10 0-6000 3 hp peak 0930-00691 800 AXYS models 15-17 0-6000 4.2 hp peak 0930-0123 850 AXYS models 19-25 All elevations 6 hp peak/6.9 hp midrange 0930-0179 1 Requires use of DynoJet Power Commander V. POWER DOME™ BILLET HEADS •Billet aluminum construction •Dramatically increased combustion efficiency •Radical combustion chamber design provides more horsepower with less chance of detonation •For low altitude operation with stock or modified engines 0930-0123 0930-0179
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