The all new ET 142mm x 3.2mm spacer do it yourself. New generation wheel for 2016 Sea-Ddoo 300 platform. Makes 23psi at 9000 RPM The new 1.6L engine is designed for mid-range to 8800 RPM. ET does not recommend reving over 9000 rpm.

Requires the back housing to be machined to 143mm

Recommended slip moment be set to 18 foot lbs

There are a few things that are recommended in updating before running any performance. Replace all hose clamps with screw clamps. Re-tourqe all head bolts, ECU remap to 8600 to 9000 rpm rev limit.