Upgrade your Chevrolet Small Block 2-bolt small journal with the ARP Main Bolt Kit, product code 134-5002. This crankshaft kit is designed to provide superior strength and durability to your engine, ensuring optimal performance. The kit includes socket size(s) of 1/2 hex, making installation a breeze for any enthusiast or professional mechanic.

As a leading brand in the industry, ARP is known for its high-quality manufacturing and attention to detail. With seven operational entities in Southern California spanning over 200,000 square feet, ARP is dedicated to producing top-of-the-line products for a range of applications. Whether you're working on a high-performance build or a specialty racing project, ARP has the fasteners you need to get the job done right.

From forging to heat-treating, machining, quality control, finishing, and packaging/warehousing, ARP handles every aspect of production with expertise and precision. With thousands of part numbers available, ARP offers a comprehensive selection of fasteners for engines, drivelines, suspension, frames, and more. Trust ARP to provide the quality hardware you need for your next project.