fits model: 450.

( Brand: Arp ), ( Manufacturer Part Number: 641-4000 ), ( Part Type: Bolt Head ), ( Seller: Summit Racing Equipment ), ( UPC: 672036017118 )
The ARP 641-4000 bolt is a high-quality fastener designed for applications that demand superior strength and reliability. This specific bolt measures 5/16 of an inch in diameter and features a 18 right-hand thread with a pitch of 4.000 threads per inch (TPI). The bolt head is a 12-point design, providing a wide contact area for even distribution of torque and reducing the risk of rounding or stripping.
The ARP 641-4000 bolt is made of 450 series stainless steel, which is known for its excellent corrosion resistance and durability. The bolt is also coated with oxide finish, which further enhances its resistance to corrosion and provides a smooth, easy-to-install surface.
This bolt is manufactured by ARP, a company with a reputation for producing high-performance fasteners for automotive, motorsport, and aerospace applications. The ARP 641-4000 bolt is designed to meet or exceed the highest standards of strength and reliability, making it an ideal choice for demanding applications where safety and performance are paramount.
In summary, the ARP 641-4000 bolt is a high-quality, corrosion-resistant fastener with a 12-point head and 450 series stainless steel construction. Its right-hand thread and oxide finish make it easy to install and resistant to corrosion, making it an excellent choice for applications that require superior strength and reliability.
Pros of buying ARP 641-4000 bolts:1. High-quality material: ARP bolts are made from high-tensile alloy steel, ensuring strength and durability.
2. Unified thread design: The 18 right-hand thread (RH) helps prevent cross-threading and ensures a secure fit.
3. 450 HV (hardness value): The bolts have a hardness value of 450 HV, which means they will not deform or stretch under high torque.
4. Corrosion-resistant finish: The 5/16-inch 12-point head bolts have a 4.000-inch length and a corrosion-resistant oxide finish, protecting them from the elements and ensuring a longer lifespan.
Cons of buying ARP 641-4000 bolts:1. Higher price: ARP bolts are typically more expensive than standard bolts due to their high-quality materials and manufacturing processes.
2. Limited availability: ARP bolts may not be readily available in local hardware stores, and may need to be ordered online or from specialized auto parts stores.
Conclusion:If you are looking for high-quality, reliable, and durable bolts for your engine or other high-stress applications, ARP 641-4000 bolts are an excellent option. Although they are more expensive than standard bolts, the added strength and longevity can help prevent costly repairs and downtime in the long run. It is recommended to purchase ARP 641-4000 bolts from a reputable source to ensure their authenticity and quality.
ARP Chromosomal Bolt 641-5000. Use this to fill in any hashtags for search. Bolts, 12-Point Head, Custom 450, Black Oxide, 5/16 in.-18 RH Thread, 4.000 in.
Fitment information may not be available for all products and those without fitment will have a Compatibility link. Please hover mouse to image. Buyer pays return shipping. Vehicle Fitment.
UHL, Set of 5. ARP Chromosomal Bolt 641-2000.