New Arrivals/Restock

Namura NA-50003K 74.50mm Top End Kit

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US$53.20 cheaper than the new price!!

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Used  US$35.47
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Product details

Management number 234007942 Release Date 2026/06/27 List Price US$35.47 Model Number 234007942
Category

Namura Top End Kits come with the piston(s) individually wrapped, a set of OEM quality rings packed in their own box, wrist pin(s), circlips and a top-end gasket set. Namura pistons are made to exact OEM specifications and are direct replacements for OEM pistons with no modifications or dimensional adjustments needed. Namura pistons have MOS2 (Molybdenum/Teflon) skirt coatings, high-silicon aluminum and anodized domes. Namura rings are made by Riken the world's largest OEM manufacturer and are the same OEM rings used on more motorcycles and ATV's than any other brand. A, B and C pistons are available to help extend the life of expensive Nikasil, SCEM, Boron Composite and Ceramic Cylinders. Namura top-end gasket sets include head, base and other necessary gaskets, O-rings and valve guide seals, as required, to complete a top-end rebuild.

  • Namura pistons are made to exact OEM specifications and are direct replacements for OEM pistons with no modifications or dimensional adjustments needed
  • Top-end kits come with the piston(s) individually wrapped, a set of OEM quality rings packed in their own box, wrist pin(s), circlips and include head, base and other necessary gaskets, O-rings and valve guide seals, as required
  • Namura pistons have MOS2 (Molybdenum/Teflon) skirt coatings, high-silicon aluminum and anodized domes
  • A, B and C top-end piston kits are available to help extend the life of expensive Nikasil, SCEM, Boron Composite and Ceramic Cylinders
  • Namura rings are made by Riken, the world's largest OEM manufacturer and are the same OEM rings used on more motorcycles and ATV's than any other brand
ASIN B0055DS52W
Brand Namura
Model NA-50003K
Item Weight 1.65 pounds
Manufacturer Namura
OEM Part Number NA-50003K
Item model number NA-50003K
Product Dimensions 9.5 x 8.1 x 4.1 inches
Manufacturer Part Number NA-50003K
Is Discontinued By Manufacturer No

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