Part of: ARP Stainless Steel Cylinder Head Nut
Other options in this family: ARP 300-8301
Manufacturer
Part Number
$3.58
In Stock (10+)
Usually delivered within 2 days
Add To Cart
Check out with
No Hassle Returns
Live-in-stock inventory
Fitment guaranteed
The ARP 300-8303 is a precision-engineered 12-point cylinder head nut designed for high-performance engine applications. Constructed from ARP 300 Series stainless steel, this fastener delivers exceptional strength and corrosion resistance where it matters most.
Key Features:
ARP fasteners are the gold standard in the performance and racing industries, trusted by professional engine builders worldwide. This nut features ARP's precision manufacturing and quality control processes to ensure consistent clamping force and long-term reliability in demanding applications.
150,000 psi
Black oxide
Steel
12-point
No
Sold individually.
7/16-20
1/2
7/16-20 RH in.
1/2 in.
Website is well laid out and easy to follow. Parts are well priced too.
Glenn S
Great.
Charles k
So far so good.
Barry H C
Good Service!
Morris H
easy to use
Derek K
good price and easy
Matthew P
The website is easy to use, images are clear, gave me confidence the part will be correct.
Michael V
Great customer service and product pricing! Received tracking number very quickly and will recommend to anyone!!!!<br><br>Thanks
cummins07
For the over-the-winter garage storage of my 911, the Rail Ramps Flatstopper product has eliminated the need to move the car over the winter in order to avoid the tires developing flat spots.
ATDavis123
Fast Shipping. Good packaging. Very good pricing. Will shop from again.
mim1979
good prices
Abe Perez
Cheapest price online. Great products.. really fast shipping.. no hassle
testarossa1984
These guys had great pricing and got my order to me very quickly. I would do business with them again for sure!
smuir111
I searched the entire web looking for the best price on my item and found that Autoplicity beat everybody else in price & quality. Search no more!
frederick56
Processed and shipped out very quickly. I love when a website delivers! It was the best deal on the internet AND they gave free shipping! I will definitely do future business with Autoplicity. Thanks!
ddeloria
Add your review
Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy
