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Pro X Piston Assembly - 66.34mm Bore - 01.2320.A

  • Part #:
    138338S
  • Manufacturer Part #:
    01.2320.A

MSRP Price: $109.95

Our Price: $98.96

You Save $10.99 (10%)
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Ships Today! If ordered in:
1 1 HR : 1 0 MIN : 1 8 SEC
Overview of Pro X Piston Assembly - 66.34mm Bore - 01.2320.A
  • The smart alternative to costly engine repairs
  • Cast from a high-silicone content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances
  • Available in standard and oversizes
  • Pro X rings are exact OEM replacements and can be interchange with stock part
  • B, C, D and E extend the life of expensive plated cylinders


  • Included Items:
    One 66.34mm piston
    One set rings
    Two circlips
    One wrist pin

Specs for Pro X Piston Assembly - 66.34mm Bore - 01.2320.A

Bore Size 66.34 mm
Type Piston Assembly
Type Piston w/Ring Set
Units Each
Weight 0.68 lbs

Alternate/OEM Part Number(s):

PX7130A
Specs for Pro X Piston Assembly - 66.34mm Bore - 01.2320.A
Bore Size 66.34 mm
Type Piston Assembly
Type Piston w/Ring Set
Units Each
Weight 0.68 lbs
Fitment for Pro X Piston Assembly - 66.34mm Bore - 01.2320.A

Part 138338S fits the following machines

Make Sure This Fits Your Ride
Suzuki
  • 2006 Suzuki RM250
  • 2005 Suzuki RM250
  • 2004 Suzuki RM250
  • 2003 Suzuki RM250
Yamaha
  • 2019 Yamaha YZ250
  • 2018 Yamaha YZ250
  • 2017 Yamaha YZ250
  • 2016 Yamaha YZ250
  • 2015 Yamaha YZ250
  • 2014 Yamaha YZ250
  • 2013 Yamaha YZ250
  • 2012 Yamaha YZ250
  • 2011 Yamaha YZ250
  • 2010 Yamaha YZ250
  • 2009 Yamaha YZ250
  • 2008 Yamaha YZ250
  • 2007 Yamaha YZ250
  • 2006 Yamaha YZ250
  • 2005 Yamaha YZ250
  • 2004 Yamaha YZ250
  • 2003 Yamaha YZ250
  • 2002 Yamaha YZ250
  • 2001 Yamaha YZ250
  • 2000 Yamaha YZ250
  • 1999 Yamaha YZ250
  • 2019 Yamaha YZ250X
  • 2018 Yamaha YZ250X
  • 2017 Yamaha YZ250X
  • 2016 Yamaha YZ250X
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Instructions and Manuals for Pro X Piston Assembly - 66.34mm Bore - 01.2320.A

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