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ARP 301-8341 12-Point Cylinder Head Nuts - 8740 Chrome Moly Steel (10 Pack)

Manufacturer

ARP

<p>Today, ARP&rsquo;s product line contains thousands of part numbers, and has expanded to include virtually every fastener found in an engine and driveline and throughout the suspension and frame. These range from quality high performance OEM replacement parts to exotic specialty hardware for Formula 1, IndyCar, NASCAR and NHRA drag racing and marine applications.</p>

Picture for manufacturer ARP

Part Number

301-8341
16 reviews
03/12/2036 4:46 AM
Sale Price

$15.03

In Stock (10+)

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Usually delivered within 2 days

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Product Details

ARP 301-8341 cylinder head fastener nuts are precision-engineered 12-point nuts designed for high-performance engine applications. Constructed from premium 8740 chrome moly steel, these nuts deliver exceptional strength with a tensile rating of 180,000 psi, ensuring reliable clamping force under extreme operating conditions.

Key Features:

  • 8740 chrome moly steel construction for superior strength and durability
  • 12-point design provides multiple engagement positions for easier installation
  • Rated at 180,000 psi tensile strength for high-stress applications
  • Thick wall construction optimizes strength and rigidity
  • Black oxide finish resists corrosion and provides a professional appearance
  • Manufactured to ARP's exacting quality standards
  • Convenient 10-piece package

These high-strength fastener nuts are ideal for cylinder head installations, performance engine builds, and racing applications where reliability and consistent clamping force are critical. ARP's precision manufacturing ensures proper thread engagement and uniform torque distribution, helping to prevent head gasket failure and maintain optimal engine sealing.

Products specifications

Fastener Yield Strength (psi)

180,000 psi

Nut Finish

Black oxide

Nut Material

Steel

Nut Style

12-point

Nylon Insert

No

Quantity

Sold as a set of 10.

Self-Locking

No

Size

3/8-16

Socket

7/16

Thread Size

3/8-16 in. RH

Washers Included

No

Wrench Diameter

7/16 in.

Other than having to refresh the web page to get the &quot;Place Order&quot; to work, all went like a champ.

It was very fast and good product

All good

Great price and fast shipping. Thank you

So far so good. 2 day shipping is appreciated!

Order process was easy to navigate and delivery time fast.

No way to contact for more information,not no pictures of real idome

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.

They have the best prices and fast shipping too.

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 prices, better than any competitors and shipped fast. You do pay for shipping, but the discount on the merchandise makes up for that! So far would purchase from them again!

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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