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

The new Steel LS Mock Up Block from Speedway Motors makes it easy to fab mounts and check clearances while LS swapping your car.

How To Replicate LS Engine Dimensions with a Steel LS Mock Up Block

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

Over several generations of small block Chevy (and big block Chevy) engines there have been several changes that dictate what flexplate works with them. We’ll help you determine the correct flexplate for your Chevy engine in this buyer’s guide.

Small Block and Big Block Chevy Engine Flexplate Guide

Decode small block Chevy engine suffix codes and block casting numbers with our SBC decoding info guide. Learn how to find and decipher your small block Chevy engine codes quickly and easily!

Chevy Small Block Casting Numbers

Pat talks about some of the LS engine mounts Speedway Motors has to offer.

Speedway Tech Talk - LS Engine Mounts

Tim shows off our aluminum cylinder heads for 348-409 Chevys.

Speedway Tech Talk - Aluminum Cylinder Heads for 348-409 Chevys

Learn how to successfully upgrade the cooling system for a 400 small block Chevy. Read tips for installing a water pump and auxiliary coolant lines using fittings and fuel hoses.

Upgrading the Cooling System for a Small Block Chevy

This article demonstrates how to install a complete Winters quick change kit with additional parts including birdcages, brackets, and calipers for a modified race car.

Quick Change Bolt On Components for a Modified Race Car

Chevy LS engines get Engine Code as Top Category

Engine Family Facets

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Sport Mod GM LS1 Cylinder Block Components

Sport Mod GM LS1 Cylinder Block Components | Speedway Motors

Shop Sport Mod GM LS1 Cylinder Block Components and get Free Shipping on orders over $175 at Speedway Motors.

Chevrolet Performance Parts 12557840 Harmonic Balancer Bolts

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Universal Fit, 4.055" Under Head Length, Steel

KB Chevy 350 Hypereutectic Pistons, .200 Dome, 5.7 Rod

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Compression 58cc =

Compression 64cc =

Compression 76cc =

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Dome Piston Style, 4.040" Piston Diameter

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Chevrolet Performance Parts 12557840 Harmonic Balancer Bolts

KB Chevy 350 Hypereutectic Pistons, .200 Dome, 5.7 Rod