2Bros Parts

PISTON KIT LTZ400 KFX400 90.50, NAMURA NA-30002-2

$102.32

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Delivery to United States 5–8 business days

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Namura Piston Assembly 0.50 Over Size - 90.50mm Bore - NA-30002-2. High-performance Namura pistons are engineered in the USA and manufactured in Taiwan using 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 OEM design except as noted.

Specifications
SKU
56-W4713_050
Brand
Namura Technologies
Availability
In Stock (3)
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
90.5mm
Variant Id
255931
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Namura Piston Kit - 0.50 Oversize (90.50mm Bore)

This high-performance Namura piston assembly is designed for demanding applications, offering a 0.50mm oversize bore of 90.50mm.

Engineered in the USA and manufactured in Taiwan, Namura pistons utilize a high-silicon content, hypereutectic cast aluminum material. This advanced composition results in reduced heat expansion, tighter clearances, increased hardness, longer lifespan, and less scuffing.

Key Features:

  • Machined Piston Crowns: Smooth, machined crowns minimize carbon buildup, leading to increased horsepower and improved fuel economy.
  • Hard Anodized Crowns: These crowns are 75% stronger than non-anodized versions, offering minimal expansion and reducing the risk of cold seizures, especially when paired with the coated skirts.
  • MOS2 (Teflon/Molybdenum) Coated Skirts: The MOS2 coated skirts ensure top-tier performance by reducing friction and heat, contributing to enhanced power and longevity.
  • OEM Match Rings: Namura rings are designed to match Original Equipment Manufacturer specifications, unless otherwise noted.
Before you buy

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Call or email us with your make, model and year and we will check it for you before you order.

Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details

Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy

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Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.

More answers in our FAQ.

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