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 what are the best stock LS heads that will interchange to use on your budget 4.8, 5.3, 6.0, or 6.2 LS engine build

Best LS Heads for 6.0/5.3/4.8 | Cathedral Port Heads vs Rectangular

Learn how to identfy motors for your LS Swap. In this guide we cover generation 4 small block engines and some of the cheaper options for more power.

Gen 4 LS Engines - Junkyard LS Swap Identification Guide: Part 2

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

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

Identify SBC heads using casting numbers, style tips, and year-by-year guides for your small block Chevy engine projects

Small Block Chevy Head Identification Guide | Casting Numbers Explained

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

Leave all the head scratching to us, as we have your manual transmission bellhousing solution for your LS swap all figured out already

Easily Back Your LS Swap with The Manual Transmission of Your Choice

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

The GM LS engine is the hot powerplant these days. But is there too much of a good thing?

Pick a Side: LS Engines

A guide to choosing the right camshaft for your engine. See how to install a new LSR roller camshaft while upgrading valve springs and rocker trunnions.

LS Cam Swap

Chevy LS engines get Engine Code as Top Category

Engine Family Facets

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

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

Sport Compact Pistons Gm Chevy Gen 4 V8 Ls 6 2 Lsa

Sport Compact Crankshaft Main Bearing Cap Hardware Gm Chevy Gen 4 V8 Ls 6 2 Lsa

Sport Compact Connecting Rod Bolts Gm Chevy Gen 4 V8 Ls 6 2 Lsa

Sport Compact Connecting Rods Gm Chevy Gen 4 V8 Ls 6 2 Lsa

Sport Compact Harmonic Balancers Gm Chevy Gen 4 V8 Ls 6 2 Lsa

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GM LSA Sport Compact Crankshaft Woodruff Keys

GM LSA Sport Compact Crankshaft Woodruff Keys | Speedway Motors

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GM LSA Sport Compact Crankshaft Woodruff Keys

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ICT Billet 551721 LS Crankshaft Woodruff Keyway

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