Introducing the ARP Harmonic Damper Bolt Kit, designed for Chevrolet Big Blocks, with a product code of 135-2501. This high-quality kit from ARP is a must-have for any engine enthusiast looking to ensure the longevity and performance of their vehicle. The kit includes everything you need for a secure and efficient installation, with a socket size of 5/8 12pt, UHL of 1.550", and a thread size of 1/2-20. Additionally, a washer is included for added convenience.

As a leading manufacturer in the industry, ARP is known for their commitment to excellence and innovation. With seven operational entities in Southern California, ARP boasts a combined area exceeding 200,000 square feet. Their state-of-the-art facilities include forging, heat-treating, machining, quality control, finishing, and packaging/warehousing capabilities. ARP's extensive product line features thousands of part numbers, catering to a wide range of engines and driveline systems. Whether you're a professional racer or a DIY enthusiast, ARP has you covered with high-performance fasteners for all your needs.

From OEM replacement parts to specialty hardware for elite racing applications, ARP is the go-to brand for superior quality and reliability. With a reputation for excellence in Formula 1, IndyCar, NASCAR, NHRA drag racing, and marine industries, ARP continues to set the standard for precision-engineered fasteners. Invest in the best with the ARP Harmonic Damper Bolt Kit, and experience the difference that top-tier engineering can make in your vehicle's performance.