Ported Head Kit / xp1000 - SKU: 10-AX-301 Category_Default Category/SLED/Ski-Doo/GEN5 850 E-Tec Turbo secondary spring

secondary spring

Click here to download the instructions

Available in high temp black or ceramic chrome

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

Some may see top speed gains

Ported Head Kit / xp1000 - SKU: 10-AX-301 Category_Default Category/SLED/Ski-Doo/GEN5 850 E-Tec Turbo secondary springAre 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