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Wiseco

Wiseco Bottom End Kit - WPC223A - 2008-2010 Polaris RZR 800, 2007-2001 Sportsman 800

Regular price $822.82 USD
Regular price $987.77 USD Sale price $822.82 USD
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This Wiseco Bottom End Kit WPC223A for 2008-2010 Polaris RZR 800, 2007-2001 Sportsman 800 offers precision engineering and reliable performance. Its double-forged Wiseco connecting rods are trued to OEM specs and shot-peened for superior dimensional consistency, while crank pin bearing radial running clearance is optimized for maximum performance. The kit also includes a crankshaft, top end bearing, premium main bearings, and a bottom end gasket set with all seals and gaskets needed for installation.

Features:

  • This Wiseco Bottom End Kit comes with a crankshaft, top end bearing, main bearing set, and a comprehensive gasket set with all the seals and gaskets needed for a rebuild.
  • Factory-assembled crankshafts are accurately calibrated to match OEM specs.
  • Wiseco connecting rods are double-forged for consistent grain structure, improving dimensional integrity.
  • Shot-peening reduces stress and creates a seamless finish on the crank forgers.
  • Corrosion-resistant surface treatment
  • Rod bores in both the top and bottom end are case hardened to a Rockwell hardness of 58-62 RC, ensuring improved bearing performance.
  • Radial running clearance of crank pin bearing optimized for peak performance.
  • Precision engineered oiling slots maximize rod strength and bearing life
  • Small ends with double-drilling offer the piston pin extra lubrication and cooling, minimizing top end distortion caused by thermal transfer from the piston.
  • Silver-coated bronze phosphor thrust washers, with dimpled design to increase oil retention and reduce friction between rod and washer interface
  • Crank pin bearings are crafted with hot rolled steel hardened to 58-62 Rockwell.
  • Caged needle roller bearings provide the highest possible rpm
  • Precision machined crank webs

Fitment - 2008-2010 Polaris RZR 800 4x4, 2007-2010 Polaris Sportsman 800 EFI 4x4

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