Billet Head Kit / AXYS 800 '15-17 SKU # 04-316 Category_Default Category/SLED/Polaris/Matryx BOOST Excellent mid range and torque

Excellent mid range and torque gain

prevent trailside failures

Pro RMK 850 MATRYX SLASH w/155"x2

The kit also includes our custom primary spring which improves clutch backshift and helps hold peak RPM without as much fade as the factory spring

our design continues to gain power

Billet Head Kit / AXYS 800 '15-17 SKU # 04-316 Category_Default Category/SLED/Polaris/Matryx BOOST Excellent mid range and torqueSKU# 04 316 Easy bolt on power for your 800 AXYS! This head has more than twice the cooling capacity to keep your motor running cooler to maintain horsepower by staying below the 120 degree timing curve. This custom BMP head utilizes the larger updated 2018 Polaris thermostat for even more flow! We offer two different dome configurations: 800 37. 5 is a 13: 1 compression ratio that works great in the 6000 9000 ft range and bolts on 7 8 HP in the mid