1. Engine Rocker & Valve Covers Items
  2. sku: 11071137790058673
  3. ARP FASTENERS AR4755

ARP FASTENERS AR4755 Block Steel Covers Hex Head 672036013523

fits make: Chevy.

Ar4755 Arp Fasteners Chevy Small Block With Stamped Steel Covers Stainless Hex Head 8 Piece

( Brand: Arp Fasteners ), ( Manufacturer Part Number: AR4755 ), ( Part Type: Cover Block Head ), ( UPC: 672036013523 )

Review ARP FASTENERS Chevy Small Block Stamped Steel Covers Stainless Hex Head Piece

ARP (Automotive Racing Products) is a renowned manufacturer of high-performance automotive parts, and their ARP Fasteners line is no exception. The ARP AR4755 Chevy Block Steel Covers Hex Head bolts are a prime example of their engineering excellence and commitment to superior performance.

These bolts are specifically designed for use with Chevrolet engine block steel covers. Each bolt is manufactured from premium, SAE grade 8 steel, ensuring exceptional tensile strength and durability. The hex head design offers enhanced accessibility during installation and removal, making them a popular choice among mechanics and enthusiasts.

One of the most notable features of these ARP fasteners is their unique, proprietary J-nut design. This design incorporates a flange washer with an integrated J-nut that helps to prevent the bolt from backing out under high engine torque. This feature is particularly crucial for high-performance applications, where the risk of bolt loosening can significantly impact engine performance and reliability.

The ARP AR4755 Chevy Block Steel Covers Hex Head bolts are also treated with ARP's signature, state-of-the-art, nitriding process. This process enhances the surface hardness of the bolts, providing superior resistance to wear and fatigue. It also helps to maintain the threads in pristine condition, ensuring a secure and reliable connection between the engine block and the steel cover.

Each bolt comes with a protective coating to prevent corrosion and ensure a long service life. The coating is applied using a state-of-the-art, electro-chemical process, which guarantees uniform coverage and excellent adhesion. This protective coating not only adds an aesthetic appeal but also provides an essential layer of protection against the harsh conditions inside an engine compartment.

In summary, the ARP AR4755 Chevy Block Steel Covers Hex Head bolts are a high-performance, reliable, and durable solution for securing Chevrolet engine block steel covers. Their unique J-nut design, premium SAE grade 8 steel construction, and advanced nitriding process make them an excellent choice for both professional mechanics and DIY enthusiasts seeking superior engine performance and reliability.

ARP (Automotive Racing Products) is a well-known brand in the automotive industry, particularly recognized for their high-performance fasteners. ARP's AR4755 Chevy block steel covers hex head bolts are designed to provide enhanced clamping force and durability compared to standard fasteners. Here are some pros and cons of buying these bolts for your Chevy block steel covers:

Pros:

1. Enhanced Clamping Force: ARP bolts are designed to provide a higher clamping force than standard bolts. This is achieved through the use of unique bolt designs and materials, such as ARP's 2000-series alloy.

2. Increased Durability: ARP bolts are known for their superior strength and durability. This is important for high-performance applications where the engine may experience increased stress and heat.

3. Corrosion Resistance: ARP bolts are often made from high-quality materials that offer excellent corrosion resistance. This is crucial for prolonging the life of the fasteners and ensuring reliable performance.

4. Consistent Thread Engagement: ARP bolts are manufactured to precise specifications, ensuring consistent thread engagement and minimizing the risk of cross-threading or stripping.

5. Improved Engine Performance: By providing a more secure connection between engine components, ARP bolts can help improve engine performance and reduce the risk of catastrophic failure.

Cons:

1. Cost: ARP bolts are generally more expensive than standard bolts. This may be a deterrent for some buyers, especially those on a tight budget.

2. Installation: Installing ARP bolts may require special tools and techniques, which may add to the overall cost and complexity of the installation process.

3. Overkill for Some Applications: ARP bolts may be considered an overkill for some applications where standard bolts are sufficient. In such cases, the additional cost and complexity of using ARP bolts may not be justified.

Conclusion:

ARP's AR4755 Chevy block steel covers hex head bolts offer several advantages over standard bolts, including enhanced clamping force, increased durability, corrosion resistance, consistent thread engagement, and improved engine performance. However, these advantages come with a higher cost and potential installation complexities. Ultimately, the decision to use ARP bolts depends on the specific application and the desired level of performance and reliability.

Recommendation:

If you are building a high-performance engine or operating in a harsh environment where reliability and durability are critical, ARP bolts are a worthwhile investment. However, if you are working on a budget or the application does not require the extra performance and reliability benefits, standard bolts may be a more cost-effective option. Regardless of your choice, always ensure that you use the correct bolts for your specific application and follow the recommended installation procedures to ensure optimal performance and longevity.

Details:

The Stainless Steel is polished to achieve a brilliant luster and provides distinctive maintenance free environment.Both materials are nominally rated at 170000 psi tensile strength come in both hex 12-point heads.For the Black Oxide set see Part # AR1755.

part #: ar4755 prices

  • $15.99-$25.06

specifications rockercove:

  • for makes: Chevy
  • brand: Arp Fasteners
  • mpn: Ar4755
  • part type: Cover Block Head
  • upc: 672036013523

seller rockercove:

  • city: Huntington Beach, California
  • rating: 99.6%
  • # reviews: 39002

offer rockercove:

  • started: January 9, 2026
  • options: Ship-to-home
  • availability: In Stock
  • quantity: 1
  • sold: 0

general rockercove:

  • Engines Engine Parts > Valvetrain Components > Rocker Valve Covers
  • condition: New

shipping rockercove:

  • carrier: USPS, UPS, FedEx
  • service: USPS Ground Advantage, UPS Ground, UPS 2nd Day Air, FedEx Ground / FedEx Home Delivery
  • type: Calculated
  • transit: 4-8 Days
  • class: Standard, Expedited
  • cost: $8.25

returns rockercove:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Seller

payments rockercove:

  • wallet: Google-pay
  • credit card: Discover
  • other
for makes: chevy, part type: cover block head,
category: auto parts > engines engine parts > valvetrain components > rocker valve covers, sku: 11071137790058673,

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