ARP 230-5401 Main Stud Kit for Chevy Duramax LB7/LYY

The ARP 230-5401 Main Stud Kit is designed for Chevy Duramax LB7/LYY applications with 2-bolt mains. This kit features chromoly construction and a black oxide finish for a durable, purpose-built main fastening solution.

Each kit is specified with 12-point nuts, providing the fastener configuration identified for this application. The main studs are intended for use with the engine’s main caps and are presented as a dedicated replacement or upgrade component for the Chevy Duramax LB7/LYY platform.

With its application-specific design, chromoly material, black oxide finish and 12-point nut configuration, the ARP 230-5401 brings consistent component details together in one main stud kit. Verify the engine application and 2-bolt main configuration before purchase to ensure this part matches your build.

Features:

• Brand: ARP
• Part Number: 230-5401
• Application: Chevy Duramax LB7/LYY
• Configuration: 2-bolt mains
• Fastener design: 12-point nuts
• Material: Chromoly
• Finish: Black oxide
• Product type: Main stud kit