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ARP 400-8661 Standard Nyloc Hex Nut Kit - 180,000 PSI Tensile Strength

Manufacturer

Picture for manufacturer ARP

Part Number

400-8661
9 reviews
Sale Price

$4.81

1 left at this price

delivery box

Usually delivered within 2 days

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Live-in-stock inventory

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Fitment guaranteed

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Product Details

The ARP 400-8661 Standard Nyloc Hex Nut kit includes 5 precision-engineered aerospace-quality hex nuts designed for high-performance engine applications. These fasteners are manufactured to ARP's exacting quality control standards, ensuring consistent performance and reliability in demanding environments.

Key Features:

  • Constructed from premium aerospace-quality materials for maximum durability
  • Rated at 180,000 PSI tensile strength for superior clamping force
  • Nyloc design provides self-locking security to prevent loosening from vibration
  • Black oxide finish for corrosion resistance and professional appearance
  • Manufactured to ARP's strict quality control specifications
  • Kit includes 5 hex nuts

ARP fasteners are trusted by professional engine builders and racing teams worldwide for their exceptional strength and reliability. These hex nuts are ideal for cylinder head installations and other critical engine fastening applications where safety and performance cannot be compromised.

Products specifications

Fastener Yield Strength (psi)

140,000 psi

Nut Finish

Polished

Nut Material

Stainless steel

Nut Style

Hex

Nylon Insert

No

Quantity

Sold as a set of 5.

Self-Locking

Yes

Size

1/4-20

Thread Size

1/4-20 in.

Washers Included

No

The best price I could find and it arrived in 2 days! I'll be doing business again.

Wow! Really fast shipping! Placed order on Sunday and received my order on Tuesday.

Cheap, simple and awesome

Excellent low price, super fast shipping, and great communication. Top notch seller. Recommend highly!!

Ordered the Auto Ventshade Ventvisor Deflector 4 pc. (Model 94856) for my 2000 Toyota Camry XLE. Was easy to install with no tools, just use the included strong double sided adhesive tape. Instructions that came with it could've been more detailed on where exactly to install the ventshade as I had to remove them tediously, realizing I had to put them a little higher. Also, there seems to be an unsightly gap between the front and back windows. Works as designed. Satisfied with product. Fast shipping by Autoplicity.

Best price found quick shipping couldn't be easier will buy again.

Unbeliveable customer service and super fast shipping. I had a question about my order and I was able to use the online chat function to instantly connect with a customer service agent that was quick to answer all my questions regarding my order. I am very pleased with the level of service I received not to mention the great price they offered on the item I purchased. I will be sure to continue doing business with Autoplicity for my automotive needs. Thanks so much. A+

Great Experience

Had just what I wanted at a very good price when I compared it to others (part plus shipping). Will try them next time I need parts.

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