Collection: ARP Main Stud Kits

Shop ARP main stud kits for strengthening the engine bottom end, improving main cap retention, and supporting high-horsepower engine builds. ARP main studs are commonly used in race engines, boosted builds, diesel trucks, high-RPM applications, and serious street performance setups where crankshaft stability and block integrity are critical. These kits are a strong upgrade for engine builders looking to improve bottom-end strength, reduce main cap movement, and add dependable fastener support during a full engine build or rebuild.