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ARP 400-8308 Metric 12-Point Cylinder Head Nuts with Small Collar

Manufacturer

Picture for manufacturer ARP

Part Number

400-8308
10 reviews
Sale Price

$6.78

Estimated ship date Tuesday, February 02

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

Engineered for demanding engine applications, these fasteners deliver the strength and reliability required for cylinder head installations.

Construction and Materials:

  • Manufactured from premium 8740 chrome moly steel for exceptional durability
  • Rated at 180,000 psi tensile strength for superior clamping force
  • Black oxide finish provides corrosion resistance and professional appearance
  • Thick wall construction ensures optimum strength and rigidity under high loads

Key Features:

  • 12-point design allows for precise torque application and easier installation in tight spaces
  • Small collar profile ideal for applications with limited clearance requirements
  • Single-piece construction eliminates potential failure points
  • Manufactured to ARP's exacting quality standards with consistent thread engagement

ARP fasteners are the choice of professional engine builders and performance enthusiasts who demand the highest quality hardware for critical engine assembly. These metric nuts provide the clamping force and reliability needed to maintain proper cylinder head seal under extreme conditions.

Products specifications

Fastener Yield Strength (psi)

140,000 psi

Nut Finish

Polished

Nut Material

Stainless steel

Nut Style

12-point

Nylon Insert

No

Quantity

Sold individually.

Self-Locking

No

Size

M12 x 1.25

Socket

14mm

Washers Included

No

Wrench Diameter

14mm

quick and easy. now the waiting game

Absolutely no issues

Very fast shipping

Best price i could find quick check out... all good so far.

All fine with order

Best price around. Great Communication. Fast shipping. What else can I ask for?<br>I have already purchased again from them.

Best pricing I found anywhere on the part I needed, quick shipping, no hassle. Definitely going to be a repeat customer.

My shopping experience is top notch. You actually had the brand I really wanted. the only real issue is shipping, didn't get a tracking number like promised items just showed up.

Very fast shipping, lowest prices on the web.

Great prices and fast shipping. I had a question about the product and the had all the answers. I would definitely shop here again.

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