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Piston Assembly - 53.95mm Bore - NX-70029-B

  • Part #:
    133379SB
  • Mfg Part #:
    NX-70029-B
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Piston Assembly - 53.95mm Bore - NX-70029-B

  • Part #:
    133379SB
  • Mfg Part #:
    NX-70029-B
MSRP: $80.95

Price: $72.86 10% off!
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Namura Piston Assembly - 53.95mm Bore - NX-70029-B
  • 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 its slightly worn, avoiding an expensive sleeve installation
  • Piston assemblies include ring(s), wrist pin and circlips


NOTE: Cannot use OEM rings

For replacement rings order PART NO. 13-3379SR

NOTE: Nikasil Bore; cylinder sleeving or replating required for oversizes
Specifications
Part #: 133379SB
Mfg #: NX-70029-B
Bore Size 53.95 mm
Type Piston Assembly
Type Piston w/Ring Set
Units Each
Weight 0.45 lbs
Fitment for Namura Piston Assembly - 53.95mm Bore - NX-70029-B

Part 133379SB fits the following machines

KTM
  • 125 EXC 2001-2004
  • 125 SX 2001-2010, 2012-2013
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