Cylinder Works 17-19 Polaris ACE 900 EPS XC 900cc +5mm Big Bore Cylinder Kit 975cc 10.5:1 Comp 98mm

OEM in apperance, yet performance driven in design. The Cylinder Works Big Bore Cylinder Kits contain a hand matched big bore Vertex piston and top end gasket kit wtih o-rings in an all-in-one kit, providing cost savings over purchasing OEM components separately.