2.86 PITCH CHALLENGER TRACK 154 X 2.50 16 WIDE Catalyst 858 You then shim the plugs

You then shim the plugs with the washers to align the electrodes toward the intake ports

Crafted with meticulous attention to detail

which will resist cracking unlike the stock plastic ones

These tunable valves sit on top of the damping rods and are held in place by the main springs

Featuring a billet body for enhanced cooling under throttle

2.86 PITCH CHALLENGER TRACK 154 X 2.50 16 WIDE Catalyst 858 You then shim the plugsProven by over a decade of mountain performance, and backed by a full two year warranty, Camoplast mountain tracks are engineered to perform in a wide variety of snow conditions from early season powder to late season hard crusted snow pack.