power addiction racing

PAR 13.6:1 Head for Pro RMK 2008-2014 - $295 Power Addiction Racing head will fit 2008-2014 Polaris 800 CFI. Best suited for 5k and above elevation. This is a direct bolt onto your sled. Came off of 2011 800 Pro RMK. Only had this installed for about 200 miles. About a +10hp increase over the...

Hello, just have a couple questions. I am looking into a PAR Head and HPS can combo? I ride at around 2000ft but do mountain trips anywhere from 6000ft-10000ft and want to change from the 12.5:1 domes to 13.1:1 domes for mountain trips, but i am wondering is it would be worth the hassle? Also...