Looking to swap the venerable LS engine into your hot rod, muscle car, or classic truck? Take a look at our detailed identification guide for Gen III/IV LS engines before you hit the salvage yard or swap meet!

Gen III/IV LS Engine ID Guide

Learn how to swap out an LS engine with a modern fuel injected engine into a hot rod for added horsepower, fuel economy, or throttle response. View a list of parts and helpful tips to complete the installation.

LS Swap Guide: GM 3 Speed / 4 Speed Parts List

While everyone is looking for a 6.0 LS, don’t count out the original 5.7 LS1 engine for your next LS swap performance build

5.7 LS1 Engine Upgrades: Build Recipes for 400 HP-700+ HP

Learn more about GM steering column identification, GM steering column lengths, and GM steering column compatibility.

GM Steering Column Compatibility, Interchange & Repair Guide

If you're ready to swap an LS engine into you '73-'87 Squarebody Chevy or GMC truck, here's a guide to get you started and a parts list to help you get everything you need for your swap.

Squarebody LS Swap Guide | 73-87 C10 Parts List

Decode, ID, and upgrade your GM 12-bolt rear end. Learn axle specs, gear ratios, and best performance parts upgrades.

GM 12-Bolt Rear End Identification & Upgrade Guide

Speedway Motors employee Steve upgraded the trailing arms on his 1976 Chevrolet Laguna with some spherical bushings.

Spherical Bushings for GM A-Body Trailing Arms

Learn the differences between Chevy 2-bolt and 4-bolt main blocks, how to ID them, key years, and whether a 4-bolt is worth it for your build

Chevy 2 Bolt vs 4 Bolt Main | Years, How to ID & Is It Worth It?

In this budget build, a GM rear end is upgraded in order to hold 400+ HP. See how spherical bushings are replaced in a used 8.5” GM 10 bolt rear end.

Replacing GM Rear End Spherical Bushings

Need a little help Identifying GM Body Styles 1964-1972? Click Here!

GM Body Styles

Chevy LS engines get Engine Code as Top Category

Engine Family Facets

707063f6-5cf0-44d1-8e1f-49059e48addf

3fe4cfeb-d42e-4b60-a312-2940d324f962

77-79 GM B-Body GM LQ4 Connecting Rod Bearings

77-79 GM B-Body GM LQ4 Connecting Rod Bearings | Speedway Motors

Shop 77-79 GM B-Body GM LQ4 Connecting Rod Bearings and get Free Shipping on orders over $175 at Speedway Motors.

77-79 GM B-Body GM LQ4 Connecting Rod Bearings

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King CR 807XPNSTDX XP SBC Narrowed Rod Bearings