TRP LS Header Stud Kit

The TRP LS Header / Exhaust Manifold Stud & Nut Kit is a high-quality stainless-steel replacement for the factory exhaust manifold bolts on Gen III and Gen IV GM LS-based engines. 

Made in the USA from 18-8 stainless steel, this kit is designed to provide a durable, corrosion-resistant solution for securing factory exhaust manifolds or aftermarket headers to your LS cylinder heads.

The studs feature an internal hex drive, making installation and removal quick and easy without damaging the threads. Each stud is paired with a stainless-steel serrated flange nut to help maintain a secure connection in high-heat exhaust applications.

Features

• Works with factory exhaust manifolds and most aftermarket headers
• Studs and nuts constructed from 18-8 stainless steel
• Corrosion-resistant construction
• Internal hex drive in each stud for easy installation and removal
• Serrated flange nuts help provide a secure connection
• Great for stock replacements, header installations, engine builds, and LS swaps
• Studs meet DIN 916 / ISO 4029 standards
• Nuts meet DIN 6923 standards

Common Applications

Designed for many Gen III and Gen IV GM LS-based engines, including:

• 4.8L LS engines
• 5.3L LS engines
• 5.7L LS1 / LS6
• 6.0L LS engines
• 6.2L LS engines
• 5.3L LT engines
• 6.2L LT engines

What's Included

• (12) M8x1.25x45mm 18-8 Stainless Steel Studs
• (12) M8x1.25 18-8 Stainless Steel Serrated Hex Flange Nuts

Enough hardware to service both cylinder heads on one complete V8 engine.