Part: Wiseco Piston Kit
Make: Polaris
Model: 440 Pro X
Year: 2001-2004
Number of Cylinders: 2
Bore x Stroke (MM): 66x64
CC: 438
Over Size (MM): STD
Features: Electra Coated; Liquid Cooled; Nikasil Bore; Sleeving or Replating required for oversizes; Pro-Lite
Overbore: N/A
Engine: Liberty Motor
Notes: For liquid cooled model only
Series: N/A
Product Information:
-Lightweight forging for instant throttle responce and maximum torque.
-Computer engineered piston skirt profiles minimal cylinder wall friction.
-Anti-detonation grooves and new ring land diameter eliminates ring blow-by while maximizing engine performance.
-Piston kit includes 1 - Piston, 1 - Ring Set, 1 - Wristpin, and 1 - Circlip Set unless otherwise noted in the "Notes:" above.
-Oversize kits require cylinder boring or sleeving.
-Top end bearing not included in kit.