


| Brand | ARP |
|---|---|
| Manufacturer Part Number | 155-5501 |
| Type | MAIN CAP FASTENER KITS |
| Performance Part | YES |
| UPC | 672036004378 |
The ARP 155-5501 Stud Kit is a high-performance upgrade solution for engine builders and enthusiasts seeking to enhance the strength and reliability of their engines. This stud kit is specifically designed for applications requiring ARP's 2000-series, 2200-series, or 2500-series studs. The 155-5501 kit includes a comprehensive selection of studs, nuts, and washers suitable for various engine configurations, making it an excellent choice for a wide range of applications, including those requiring different thread pitches (1.200", 1.375", 1.500", and 1.650"), heights (3/4" and 1"), and materials (stainless steel and titanium). This versatility, combined with the unparalleled quality and durability that ARP is known for, makes this stud kit an essential component for any serious engine build.
The studs in the ARP 155-5501 kit are precision manufactured using the finest materials and the latest machinery, ensuring a consistent and accurate thread pitch, and the ability to withstand the extreme pressures encountered during high-performance engine operation. The studs' superior tensile strength significantly reduces the risk of galling or thread failure, while the unique ARP design eliminates the need for traditional locking mechanisms, such as copper or felpro nuts, and offers superior sealing.
In addition to the studs, the ARP 155-5501 kit includes high-strength, low-profile nuts crafted from sustainable, heat-treated steel. These nuts are precision machined to provide a truly low-profile clearance, allowing for easy installation in applications with limited space. The nuts offer superior clamping force, preventing elongation under high cylinder pressures and maintaining gasket seals for improved engine efficiency and the longest possible service life.
The ARP 155-5501 Stud Kit offers numerous benefits that make it a superior choice for high-performance engine applications. Some of these benefits include:
1. Superior Strength: ARP studs are forged from high-strength, low-alloy material, offering superior strength and fatigue resistance compared to riveted or bolted studs.
2. Eliminates galling: ARP studs do not require traditional locking mechanisms like copper or felpro nuts, thereby eliminating the risk of galling and the potential for damage to valuable engine components.
3. Improved sealing: ARP's unique stud design offers superior sealing, ensuring a reliable and efficient engine, even under extreme pressures and temperatures.
4. Versatile: With a wide range of available thread pitches, lengths, and materials, this kit is suitable for a diverse range of engines and applications.
5. Easy Installation: With the low-profile nuts included in the kit, installation is simplified, especially in cases of limited engine compartment clearance.
In conclusion, the ARP 155-5501 Stud Kit is a must-have upgrade for any serious engine builder or enthusiast. It offers unrivaled strength, durability, and reliability, as well as improved sealing and ease of installation, making it an essential component for any high-performance engine application. Whether you're building a race engine or restoring a classic car, the ARP 155-5501 Stud Kit is the ultimate solution for achieving the optimal performance and longevity of your engine.
ARP 155-5501 stud kit is a popular choice among engine builders and performance enthusiasts for upgrading engine fasteners in high-performance applications. Here are some potential pros and cons of buying this stud kit:
Pros:1. High-strength fasteners: ARP studs are made of high-strength material, providing improved clamping force and greater resistance to fatigue and galling. This can help prevent engine bolt failure, especially under high horsepower and heavy loads.
2. Improved sealing: Studs with a longer thread length, such as those in the ARP 155-5501 kit, can help to provide better cylinder head gasket sealing. This is important in high-performance applications where increased cylinder pressure can put added stress on the gasket.
3. Reusability: ARP studs are designed to be reusable, meaning that they can be torqued down to specification and then reused multiple times. This can save time and money in the long run.
4. Alleviates warpage: ARP studs can help to correct engine block and cylinder head warpage or distortion. This can lead to improved engine performance and longevity, as the engine components will be properly aligned.
Cons:1. Cost: ARP studs are typically more expensive than OEM fasteners. However, the potential performance gains and peace of mind that come with using high-quality fasteners can justify the cost for many enthusiasts.
2. Installation: Installing ARP studs can be a complex process, especially for those without experience. Proper installation requires torque-to-yield nuts, specialized tools, and proper sealing materials.
3. Over-torquing: It's possible to over-torque ARP studs during installation, which can cause damage to the engine components. Proper installation techniques and the use of torque-to-yield nuts can help to mitigate this risk.
Conclusion:ARP 155-5501 stud kit provides numerous benefits for high-performance applications, including improved strength, sealing, reusability, and alignment. However, the cost and installation complexity can be drawbacks for some. If you're building a high-performance engine, investing in a kit of high-quality studs like ARP can provide significant performance gains and peace of mind. Make sure you have the proper tools and knowledge to install them correctly to maximize their effectiveness.
Recommendation:If you're building a high-performance engine or racing application, using a high-quality stud kit like ARP 155-5501 is a smart investment. Properly installed, these studs can provide improved clamping force, better sealing, and greater resistance to fatigue and galling, leading to increased engine performance and longevity. Be sure to follow proper installation techniques and invest in the necessary specialty tools to ensure a successful installation.
They produce a number of specialty products like cylinder head fastener kits, connecting rod bolts, exhaust manifold/header oil pan piston ring compressors, and more. Manufacturer: Arp automotive racing products. Their product line includes everything from engine and driveling fasteners for oem replacement parts to exotic specialty hardware the formula 1, inducer, NASCAR, NRA drag racing, marine applications.
