Billet Head Kit / POL 800 CFI ('08+) DOMES:High altitude 41CC BMP billet head kits utilize

BMP billet head kits utilize an improved squish band

cannot be punctured (unlike other mesh vents)

Short version:Chrome = looks coolBlack ceramic = works harder

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Wossner Pistons is Germany's finest aftermarket forged piston and rod manufacture and has over 25 years of experience in the high performance racing industry

Billet Head Kit / POL 800 CFI ('08+) DOMES:High altitude 41CC BMP billet head kits utilizeEasy bolt on power for your 800 CFI! This head has twice the cooling capacity to keep your motor running cooler to maintain horsepower by staying below the 120 degree timing curve. We offer two different dome configurations: IQ800 37. 5 is a 12. 5: 1 compression ratio that works great in the 6000 9000 ft range and bolts on 7 8 HP in the mid range and 5 6 HP peak. IQ800 41 is our lower 11. 8: 1 compression version for sea level to 6000 ft and gains 4 5