Nakonic Valve Cover Bolts for Chevy & GM LS Engines (8 PCS) — Integrated Washers, Heat-Resistant

Nakonic 8 PCS Valve Cover Bolts are a direct-fit replacement set engineered to secure valve covers on most Chevy and GM LS-series engines from 1997 to 2014.

These eight bolts with integrated washers are designed for durability in high-heat, oily engine bays and for restoring proper clamping force to valve covers on LS1, LS2, LS3, LS6, LS7, LS9 and many GM Vortec truck engines. They replace worn or missing fasteners, helping maintain a reliable seal and reducing the chance of oil seepage around the valve cover perimeter when installed on compatible engines.

Will these bolts fit my Chevy or GM LS engine?

They fit the majority of LS-series engines produced between 1997 and 2014, including common passenger car and Vortec truck applications. However, some early models with perimeter bolt valve covers use a different fastener style and are not compatible.

• Compatible: LS1, LS2, LS3, LS6, LS7, LS9 and many 4.8L–6.2L GM engines.
• Includes 1999–2013 Vortec truck engines (LM7, LQ4, LQ9, etc.).
• Not compatible with 1997–1998 Corvette/Camaro/Trans Am perimeter-bolt LS1 covers.

How do these bolts improve valve cover sealing and durability?

The bolts include integrated washers that distribute clamping load across the valve cover flange, reducing stress concentrations and helping to maintain an even seal. Built to resist engine heat, oil exposure and vibration, they help preserve the gasket contact area and decrease the likelihood of slow leaks.

• Washers spread clamping force to protect valve cover material.
• Metal construction resists heat and oil deterioration over time.
• Uniform thread engagement prevents uneven tightening and warping.

What’s included and how many fasteners come in the kit?

The Nakonic kit contains eight valve cover bolts—one for each mounting point on a typical LS valve cover. That quantity covers a single bank or single valve cover replacement depending on your engine setup, so confirm how many covers you need before ordering.

• Package: 8 bolts with pre-mounted washers.
• Ready to install after removing old or damaged fasteners.
• Sold as a set; buy multiple kits for multi-cover engines if needed.

How should I install and care for these bolts?

Installation is straightforward: remove the old bolts, inspect the valve cover and gasket surface, then hand-start each Nakonic bolt and torque to the engine manufacturer’s recommended specification in a cross-pattern. Regular visual checks during routine maintenance will catch loosening or oil seepage early.

• Use proper torque specs—do not overtighten to avoid cover damage.
• Replace in clean conditions and inspect gasket surfaces before assembly.
• Periodic visual checks help ensure leak-free performance.

Who is this for: This fastener kit is aimed at DIY mechanics, professional technicians, and vehicle owners restoring or maintaining Chevrolet and GM LS-series engines who need a reliable, OEM-style replacement for worn or missing valve cover bolts. It’s ideal when you want a direct-fit, durable option to restore proper clamping pressure on compatible LS valve covers without modifying engine components.