Ported Head Kit / xp1000 - SKU: 10-AX-301 Category_Default Category/SLED/Ski-Doo/GEN5 850 E-Tec Turbo We advise to not do

We advise to not do this

The BMP 1065 big bore kit also works extremely well on top of this kit (for ease in ordering

Garret charge coolers are now available in a cast version

For 2011-13 RZR XP 900 models no valve train modifications are necessary besides re-shimming your valves

Available in high temp black or ceramic chrome

Ported Head Kit / xp1000 - SKU: 10-AX-301 Category_Default Category/SLED/Ski-Doo/GEN5 850 E-Tec Turbo We advise to not doAre you looking to get the most out of your RZR 1000? Our BMP kit has been proven to produce actual results that make big horsepower. The stock 1000 platform is okay but they left so much airflow on the table. We start off by changing out the small exhaust valves with larger ones then porting your head to our proven specs. Next we add our BMP high performance camshafts which have higher lift and a great profile to produce more all around horsepower