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ARP 301-8300 Nut Thread - 12-Point 3/8-16

Manufacturer

Picture for manufacturer ARP

Part Number

301-8300
9 reviews
Sale Price

$3.27

Estimated ship date Thursday, November 19

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The ARP 301-8300 is a premium-grade 12-point nut engineered for high-performance and racing applications. Constructed from 8740 chrome moly steel, this aerospace-quality fastener delivers exceptional strength and reliability in demanding engine environments.

Key Features:

  • 8740 chrome moly steel construction for maximum durability
  • Rated at 180,000 psi tensile strength—15% stronger than Grade 8 fasteners
  • 12-point design provides superior grip and reduces the risk of rounding
  • Black oxide finish for corrosion resistance
  • Thick wall design for optimum strength and rigidity
  • Meets ARP's rigorous quality standards for professional motorsports

ARP 12-point nuts are the fastener of choice for NHRA, IHRA, NASCAR, and Formula 1 racing teams. Each nut is precision-manufactured using exacting processes that ensure molecular integrity and consistent performance under extreme loads. Whether you're assembling cylinder heads, main caps, or other critical engine components, ARP fasteners provide the clamping force and reliability demanded by high-performance engine builders.

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 individually.

Self-Locking

No

Size

1/4-20

Socket

5/16

Thread Size

1/4-20 in.

Washers Included

No

Wrench Diameter

5/16 in.

Lowest price available, fast shipping, product was in perfect condition

So far so good,1st time using ya

Great turnaround if parts are in stock.

Am satisfied

No issues

Just purchased a B&W 5th wheel companion hitch to tow my new camper. Got an awesome price on it and shipping was quick. I would make a purchase again from them and would recommend Autoplicity to a friend. AAAAA++++++++++++ <br><br>Thanks<br><br>Dennis

Fast and easy

Autoplicity has a great selection of parts, great companies and great prices. Shipping was very fast and payment very easy. Will be shopping here in the future.

Super fast shipping.<br>I ordered husky front and rear floor mat for 2012 Prius.<br>It was delivered in 2 business days.<br>The product quality is very good.<br><br>Thank you,

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