ARP 234-4316 Head Stud Kit for 1997-2003 GM LS1/LS6/LM7/LQ4/LQ9 4.8L-6.0L

Vehicle Fitment

• 1997-2003 Chevrolet Corvette (LS1, 5.7L V8, RWD)
• 1997-2003 Chevrolet Camaro (LS1, 5.7L V8, RWD)
• 1997-2003 Pontiac Firebird (LS1, 5.7L V8, RWD)
• 1999-2003 Chevrolet Silverado 1500 (LM7, 5.3L V8, 4WD/RWD)
• 1999-2003 GMC Sierra 1500 (LM7, 5.3L V8, 4WD/RWD)
• 2001-2003 Chevrolet Silverado 2500 (LQ4, 6.0L V8, 4WD/RWD)
• 2001-2003 GMC Sierra 2500 (LQ4, 6.0L V8, 4WD/RWD)
• 2002-2003 Chevrolet Avalanche 1500 (LM7, 5.3L V8, 4WD/RWD)
• 2002-2003 GMC Envoy (LQ4, 6.0L V8, 4WD/RWD)
• 2002-2003 Chevrolet TrailBlazer (LQ4, 6.0L V8, 4WD/RWD)
• 2003-2003 Hummer H2 (LQ4, 6.0L V8, 4WD)

Features

• Manufactured from premium 8740 chromoly steel for superior strength
• Heat-treated to 190,000 psi tensile strength for enhanced durability
• Cold-forged to ensure molecular integrity and precision
• 12-point nuts for improved torque accuracy and ease of installation
• Includes hardened parallel washers for even load distribution
• Comes complete with ARP Ultra-Torque assembly lubricant
• Direct replacement for OEM part numbers 12557844 and 12557845
• Ideal for high-performance applications and racing setups

Specifications

• Socket Size: 9/16" 12-point
• Material: 8740 chromoly steel
• Tensile Strength: 190,000 psi
• Thread Type: Rolled threads post heat treatment
• Includes: 4 short studs, 16 long studs, 16 12-point nuts, hardened parallel washers, ARP Ultra-Torque assembly lubricant

Included Components

• 4x Short ARP 8740 studs
• 16x Long ARP 8740 studs
• 16x 12-point nuts
• 16x Hardened parallel washers
• 1x ARP Ultra-Torque assembly lubricant

Product Description

The ARP 234-4316 Head Stud Kit is engineered to provide enhanced clamping force and reliability for GM's Gen III LS series engines, including LS1, LS6, LM7, LQ4, and LQ9 variants. Constructed from premium 8740 chromoly steel and heat-treated to a tensile strength of 190,000 psi, these studs offer superior strength compared to factory head bolts. The cold-forging process ensures molecular integrity, while the rolled threads post heat treatment provide precise fitment and durability.

This kit includes 4 short and 16 long studs, 16 12-point nuts, hardened parallel washers, and ARP Ultra-Torque assembly lubricant. The 12-point nuts facilitate accurate torque readings and ease of installation. The hardened washers ensure even load distribution across the cylinder head, preventing warping and gasket failures. This head stud kit is a direct replacement for OEM part numbers 12557844 and 12557845, making it an ideal choice for enthusiasts seeking to enhance their engine's durability, especially in high-performance and racing applications.

Installation requires a 9/16" 12-point socket, and the included ARP Ultra-Torque assembly lubricant ensures proper torque readings and load distribution. Whether you're building a street performance engine or preparing for track use, the ARP 234-4316 Head Stud Kit offers the strength and reliability needed to support your engine's performance goals.