Pro Series GM Gen III LS Complete Engine and Accessory Bolt Kit

• Fits Gen III LS Engines: Designed for 4.8L, 5.3L, 5.7L, and 6.0L LS applications.

• Complete Engine Hardware Solution: Includes matched engine and accessory mounting hardware.

• 190,000 PSI Tensile Strength: Heat-treated 35 chromoly steel construction.

• Ideal for Rebuilds & LS Swaps: Perfect for engine assembly, maintenance, and restoration projects.

Simplify your engine build with the Top Street Performance Pro Series LS Complete Engine & Accessory Bolt Kit. Designed specifically for GM Gen III LS engines, this LS complete engine bolt kit provides the hardware needed for engine assembly, accessory installation, maintenance, and rebuild projects. Whether you're completing an LS swap, refreshing an existing engine, or assembling a new build, this LS engine hardware kit helps provide a clean, consistent appearance while replacing worn, missing, or mismatched fasteners.

Complete LS Engine Hardware Solution
This LS engine bolt kit includes matched hardware for multiple engine and accessory mounting locations, helping streamline engine assembly and service projects. Ideal for builders looking to replace factory hardware with a complete LS hardware kit during engine rebuilds, restorations, or custom builds.

High-Strength Performance Construction
Manufactured from heat-treated 35 chromoly steel with a minimum tensile strength of 190,000 PSI, this LS engine fastener kit is engineered for durability and long-term reliability. Threads are rolled after heat treatment and protected with a black oxide finish and oil coating to help resist corrosion and wear.

Designed for Gen III LS Engine Applications
Engine-specific design provides compatibility with GM Gen III LS engine platforms including 4.8L, 5.3L, 5.7L, and 6.0L applications. This LS accessory bolt kit is ideal for stock replacement, engine rebuilds, restorations, and LS swap projects requiring fresh engine assembly hardware.

Ideal for Rebuilds, Swaps & Custom Builds
Perfect for engine assembly, accessory installation, maintenance, restorations, and LS swap projects where fresh LS accessory bolts and engine hardware are recommended. A great choice for builders looking to create a cleaner, more uniform engine appearance while replacing aging factory hardware.

What does this complete engine bolt kit fit?
This kit is designed for GM Gen III LS engine applications including many 4.8L, 5.3L, 5.7L, and 6.0L combinations.

What is included in an engine and accessory bolt kit?
An engine and accessory bolt kit provides matched fasteners for multiple engine and accessory mounting locations, helping simplify assembly and hardware replacement projects.

Why replace engine hardware during a rebuild?
Replacing worn, corroded, or mismatched hardware helps improve reliability, appearance, and consistency during engine assembly and maintenance.

Is this kit suitable for LS swap projects?
Yes. This LS engine hardware kit is ideal for LS swaps, engine rebuilds, restorations, and custom engine builds.

What material are the fasteners made from?
The hardware is manufactured from heat-treated 35 chromoly steel with rolled threads, a black oxide finish, and protective oil coating.

Does this kit improve engine performance?
This kit is designed to replace and upgrade engine hardware. Its primary purpose is secure component installation, durability, and appearance rather than directly increasing horsepower.

Does the kit include corrosion protection?
Yes. The hardware features a black oxide finish and oil coating to help resist rust and corrosion.

Is this useful for restoration projects?
Yes. This complete LS hardware kit is an excellent choice for engine bay refreshes, restorations, and custom builds where a uniform fastener appearance is desired.