ARP 209-5401 Main Stud Kit for 1991-2005 Opel/Vauxhall 2.0L 16V C20XE C20LET

Vehicle Fitment

• 1991-2005 Opel/Vauxhall (C20XE, C20LET)

Features

• Manufactured from 8740 chromoly steel for superior strength
• Heat-treated to a tensile strength of 200,000 psi
• Precision J-form threads rolled after heat treatment for enhanced thread integrity
• Centerless ground for optimal concentricity
• Black oxide finish for improved corrosion resistance
• Includes hardened parallel-ground washers for uniform load distribution
• High-quality nuts with 12-point design for better wrenching clearance
• Designed to eliminate main cap walk and protect engine block threads

Specifications

• Material: 8740 chromoly steel
• Tensile Strength: 200,000 psi
• Thread Size: M10 x 1.5
• Socket Size: 12mm 12-point, 4mm Allen
• Finish: Black oxide
• Fastener Style: Stud
• Fastener Nut Style: 12-point
• Compatibility: OEM main caps

Included Components

• 10x Main studs
• 10x Nuts
• 10x Hardened parallel-ground washers

Product Description

The ARP 209-5401 main stud kit is engineered for the 1991-2005 Opel/Vauxhall 2.0L 16V engines, including the C20XE and C20LET variants. Constructed from premium 8740 chromoly steel and heat-treated to a tensile strength of 200,000 psi, these studs offer exceptional durability and reliability, making them ideal for high-performance applications.

This kit includes 10 main studs, 10 nuts, and 10 hardened parallel-ground washers. The 12-point nuts provide improved wrenching clearance, facilitating easier installation. These studs are designed to eliminate main cap walk and protect the threads in your engine block, ensuring the integrity of the main bearing assembly under extreme conditions.

Installation is straightforward, and it's recommended to follow the manufacturer's torque specifications for proper installation. This kit is a must-have for enthusiasts looking to enhance the durability and performance of their engine build.