• Namura

Namura Piston Assembly - 85.5mm Bore - NA-10003-2

  • Part #: 1316632
  • Manufacturer Part #: NA-10003-2
  • MSRP Price: $102.52
  • Our Price: $92.99
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1316632
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Overview of Namura Piston Assembly - 85.5mm Bore - NA-10003-2

  • High-performance Namura pistons are engineered in the USA, manufactured in Taiwan
  • High-silicon content Hypereutectic cast aluminum material for less heat expansion, tighter clearances, increased hardness, longer life and reduced scuffing
  • Features machined, smooth piston crowns for reduced carbon buildup, increased horsepower and fuel economy
  • Hard anodized crowns are 75% stronger than non-anodized, providing minimal expansion and reducing the chance of cold seizures when combined with Teflon/Molybdenum coated skirts
  • MOS2 (Teflon/Molybdenum) coated skirts perform at the highest standards, reducing friction and heat for added power and longevity
  • Namura rings match the OEM design except as noted
  • -B (.0004 in.) and -C (.0008 in.) fractional oversize pistons, available for some applications, extend the life of your expensive cylinder by renewing the original clearance if it's slightly worn, avoiding an expensive sleeve installation
  • Piston assemblies include ring(s), wrist pin and circlips


  • HOW TO ORDER
    All piston and ring sizes are indicated by the suffix number/letters as shown in the chart below. Use the PART NO. listed for your machine, and complete it by adding the letter(s) and/or numbers to the end, indicating the exact size needed - standard, fractional or incremental oversize (no cylinder boring or sleeving involved) or regular oversizes, which require boring or sleeving of the cylinder, depending on the material.

    Included Items:
    1. (1) Piston
    2. (1) Set rings
    3. (1) Piston pin
    4. (2) Circlips


Specs

Bore Size 85.5mm
Type Piston Assembly
Units Each
Weight 1.05 lbs

Specs for Namura Piston Assembly - 85.5mm Bore - NA-10003-2

Bore Size 85.5mm
Type Piston Assembly
Units Each
Weight 1.05 lbs

Fitment for Namura Piston Assembly - 85.5mm Bore - NA-10003-2

Part 1316632 fits the following machines

See if this part fits your ride

Honda
2008 Honda TRX400EX
2007 Honda TRX400EX
2006 Honda TRX400EX
2000 Honda TRX400EX FourTrax
1999 Honda TRX400EX FourTrax
2006 Honda TRX400EX Sportrax
2005 Honda TRX400EX Sportrax
2004 Honda TRX400EX Sportrax
2003 Honda TRX400EX Sportrax
2002 Honda TRX400EX Sportrax
2001 Honda TRX400EX Sportrax
2013 Honda TRX400X
2012 Honda TRX400X
2009 Honda TRX400X
2004 Honda XR400R
2003 Honda XR400R
2002 Honda XR400R
2001 Honda XR400R
2000 Honda XR400R
1999 Honda XR400R
1998 Honda XR400R
1997 Honda XR400R
1996 Honda XR400R

Reviews for Namura Piston Assembly - 85.5mm Bore - NA-10003-2

out of 2 reviews.

2 out of 2 (100%) customers would recommend this to a friend.

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Awsome Piston Kit

June 27, 2011

The Fit is great. I went with the .040 over boar. I'm not the overall expert on these, but I did the project with this product and now I'm riding again. The piston works great! The machinist that did the bore really liked the product too, and he sees them everyday. That meant something to me. Thank you Dennis Kirk and Namura!! A+

I would recommend this item to a friend.
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By: from Mineola, TX

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Good Stuff

March 28, 2011

Used a couple Namura pistons in the past. Excellent piston and great price. Glad to see Dennis Kirk carries these now. Just need them to carry the gaskets as well. Recommended for all types of users.

I would recommend this item to a friend.
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Instructions and Media for Namura Piston Assembly - 85.5mm Bore - NA-10003-2

Video Brand Overview: Namura Techologies- Pistons and Gaskets Instructional Video 2:52