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 all about what is a 604 crate motor and what it takes to run this small block Chevy in your race or street car.

What is a 604 Crate Motor? | 604 Crate Engine Explained

The 4.8 LS engine is a salvage yard bargain vs the typical 5.3 or 6.0 LS and can still make great power for your LS swap needs.

Vortec 4.8 LS Build: Horsepower Recipes, Specs, & Upgrades

Chevy LS engines get Engine Code as Top Category

Engine Family Facets

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

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

Oil Pan Gaskets Corvette C6 Gm Chevy Gen 4 V8 Ls 7 0

Valve Cover Gaskets And Seals Corvette C6 Gm Chevy Gen 4 V8 Ls 7 0

Popular Parts

Corvette C6 Chevy LS V8 Gen 4 7.0 Crankshaft Rear Main Seals

Corvette C6 Chevy LS V8 Gen 4 7.0 Crankshaft Rear Main Seals | Speedway Motors

Shop Corvette C6 Chevy LS V8 Gen 4 7.0 Crankshaft Rear Main Seals and get Free Shipping on orders over $175 at Speedway Motors.

ICT Billet 551727 LS Aluminum Rear Main Cover Seal Housing

Material Type

Sold in Quantity

Rear Main Seal Style

Hardware Included

Gaskets Included

MFG. Part #

Notes

GTIN Code

Best Match

Price High To Low

Price Low To High

Highest Rated

New Arrivals

Corvette C6 Chevy LS V8 Gen 4 7.0 Crankshaft Rear Main Seals

Brand

Platform

Engine Code

Price

Products

ICT Billet 551727 LS Aluminum Rear Main Cover Seal Housing

Popular Parts