PRO DESIGN O-Ring Set - Yfz350, PD900

Brand new, Pro Design O-Ring Set - Yfz350.

Made from 6061 aircraft alloy and CNC machined CAD assisted.State of the art head with replaceable combustion chambers for easy tuning for altitude, port timing and fuel changes.Up to 70% better cooling for increased reliability and performance

• Replacement O-ring set for Pro Design Cool Head Shells.

SKU# PD900

Fits:

Please verify your own fitment before purchase.