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

Not only is Ronald's Model T hot rod outrageously cool, but he's kept us in the loop as he's built it. It's been a pleasure to see it come together and now we're excited to share it here.

Built With Speedway Motors: Ronald’s Model T Hot Rod

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

Mike's Cyclone was a rare bird when it left the factory, and it's led an amazing life since then! Mike's goal is to go 200 at Bonneville in a car that has done Hot Rod Power Tour and has logged a ton of street miles...

Built With Speedway Motors: Mike's 1969 Mercury Cyclone Spoiler II

This new steel bellhousing from Speedway Motors is made for everyone who wants to run three pedals without spending a fortune or relying on a crusty original.

Speedway Chevy Engine to Chevy Transmission Steel Bellhousing

Take a look at a few of the rare and wonderful Chevy engines in the Museum of American Speed!

Historic Chevy Performance Engines

We love customer car stories! Check out Sam's LS-powered '55 Chevy...

Built With Speedway Motors: Sam's '55 Chevy

This old sedan was untouchable in the early 60's.

The Speedway Motors 4x Sedan

After years of dominance with the legendary 4x sedan, "Speedy" Bill Smith and his hotshot driver Lloyd Beckman upgraded to this sleek new offset roadster for the '64 season.

The Speedway Motors 4x Roadster

Chevy LS engines get Engine Code as Top Category

Engine Family Facets

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Ford Speedway Motors Hot Rod 4L65e Gm Chevy Gen 4 V8 Ls 5 3 Lc9 Parts

Pontiac Speedway Motors Hot Rod 4L65e Gm Chevy Gen 4 V8 Ls 5 3 Lc9 Parts

Chevy Speedway Motors Hot Rod 4L65e Gm Chevy Gen 4 V8 Ls 5 3 Lc9 Parts

Buick Speedway Motors Hot Rod 4L65e Gm Chevy Gen 4 V8 Ls 5 3 Lc9 Parts

Oldsmobile Speedway Motors Hot Rod 4L65e Gm Chevy Gen 4 V8 Ls 5 3 Lc9 Parts

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Speedway Motors Mercury GM LC9 4L65E Hot Rod Parts

Speedway Motors Mercury GM LC9 4L65E Hot Rod Parts | Speedway Motors

Shop Speedway Motors Mercury GM LC9 4L65E Hot Rod Parts and get Free Shipping on orders over $175 at Speedway Motors.

Speedway Motors Mercury GM LC9 4L65E Hot Rod Parts

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Universal GM Transmission Crossmembers with Adjustable Mount Kit

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