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

How to plan and execute a LS swap into any 1973-1987 Chevy/GMC K10 pickup truck.

Squarebody LS Swap Guide | 73-87 K10 Parts List

Brinn Transmission Rebuild Instructions

Inside GM’s Gen V LT engine family: history, tech, and performance of each LT engine option available.

GM Gen V Engine Guide | LT & EcoTec3 Engine Specs Guide

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

This resource contains a transmission pan shape ID chart and other tips to help with identifying GM transmissions.

How to Identify GM Transmissions | 700R4, TH350, 4L60, TH400, 4L80e, Powerglide, & More

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

Learn how Zach replaces a transmission and breakaway converter in his 55 Chevy, with some helpful tips along the way.

Transmission Replacement on a 55 Chevy

Learn about performing an LS Swap in a 1972 Chevelle in this tech article. We'll discuss lessons learned from our Chevelle engine swap using a 500-horse 6.0.

LS Swap Chevelle Guide

Learn how to convert an engine using a Carbureted LS Conversion Kit, along with tips for a smooth install. Read more on the manifold and timing control module, which comes with an MSD ignition control box and wiring harness.

Carbureted LS Intake Conversion Kit

Chevy LS engines get Engine Code as Top Category

Engine Family Facets

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Square Body C/K Series GM LM4 Brinn Transmission Parts

Square Body C/K Series GM LM4 Brinn Transmission Parts | Speedway Motors

Shop Square Body C/K Series GM LM4 Brinn Transmission Parts and get Free Shipping on orders over $175 at Speedway Motors.

LS Swap Steel Transmission Adapter Bellhousing, GM Manual/T5/TKX

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Clutch Fork Included

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Universal Fit, 6.125" Overall Height, 6" Depth, Steel

Lakewood LK5000K LS Engine Bellhousing Kit, Muncie/Saginaw/TKO

Adjustable Fork Pivot Recommended

Clutch Operation

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Universal Fit, 6.45" Overall Height, 6.45" Depth

Lakewood LK4000 Chevy Cast Alumi. Bellhousing, Muncie/Saginaw/TKO

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LS Swap Steel Transmission Adapter Bellhousing, GM Manual/T5/TKX

Lakewood LK5000K LS Engine Bellhousing Kit, Muncie/Saginaw/TKO

Lakewood LK4000 Chevy Cast Alumi. Bellhousing, Muncie/Saginaw/TKO