ARP Chevy LS1 Header Stud Kit

ARP Chevy LS1 Header Stud Kit

Upgrade the exhaust header hardware on your GM Gen III or Gen IV LS-series engine with the ARP Chevy LS1 Header Stud Kit. Designed specifically for LS engine applications, these premium stainless steel studs provide a strong and corrosion-resistant solution for securing exhaust headers to the cylinder heads in street, performance and racing applications.

ARP part number 434-1301 features ARP Stainless construction with a tensile strength of 180,000 PSI. The kit includes 12 M8 header studs, each measuring 1.750″ overall length, along with the required nuts and washers. The studs feature a special starter nose designed to help position the exhaust gasket and guide the header flange during installation.

Product Features:

• ARP Exhaust Header Stud Kit
• Designed for GM Gen III and Gen IV LS-Series Engines
• ARP Stainless Construction
• 180,000 PSI Tensile Strength
• M8 Thread Size
• 1.750″ Overall Stud Length
• Includes 12 Header Studs
• Nuts and Washers Included
• Special Starter Nose Helps Position the Exhaust Gasket and Header Flange
• Designed to Secure Exhaust Headers to the Cylinder Heads
• Suitable for Street, Performance and Racing Applications

Specifications:

ARP Engine Applications:

• Chevrolet – LS Series – Gen III
• Chevrolet – LS Series – Gen IV

Fitment Notes:

• Designed for Chevrolet / GM Gen III and Gen IV LS-series engines.
• Despite the product name referencing LS1, ARP officially lists both Gen III and Gen IV LS-series applications.
• Designed for fastening exhaust headers to LS-series cylinder heads.
• Includes 12 M8 studs measuring 1.750″ overall length.
• Nuts and washers are included with the kit.
• ARP Stainless construction provides a tensile strength of 180,000 PSI.
• ARP does not provide part-specific installation instructions for this kit; refer to ARP’s general torque recommendations where applicable.
• Verify header flange thickness and cylinder head configuration before installation.