PolarStar Complete O-Ring Set (All Models)

Complete o-ring set for all models and generations of the Fusion Engine.
(All o-rings are 70 durometer with the exception of the poppet base which is 90 durometer.)1x 011 (Buna 90) – Poppet Base1x 015-70 (Buna 70) – Poppet Sail (Prior to July 2015)1x M2.0 x 19.0 (Buna 70) – Poppet Retainer, Rev0 2x M1.5 x 15.0 (Buna 70) – Poppet Sail / Poppet Seat, R02A1x 011 (Buna 70) – Center Cylinder / Poppet Seat ID1x 013 (Buna 70) – Front Cylinder4x M1.0 x 2.5 (Buna 70) – Manifold1x 014 (Buna 70) – Nozzle OD1x M1.5 x 7.0 (Buna 70) – Nozzle ID