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

Learn how to re-build a junkyard Small Block Chevy. A step-by-step guide on how to select a SBC, machine the valve guide bosses down, and what parts to use to upgrade to your personal liking.

Rebuilding Junkyard SBC Vortec Cylinder Heads

Need help selecting the best cylinder head gaskets for your engine? Click here to learn the differences between copper, steel shim and MLS head gaskets. Plus install tips!

Cylinder Head Gasket Replacement | Buyer's Guide

Engine Cylinder Numbers

Need a little help Identifying GM Body Styles 1964-1972? Click Here!

GM Body Styles

Leaking engine cylinders is an important preventative maintenance test to do while racing. Learn the steps to perform this test and how to indicate proper engine tuning.

Engine Cylinder Leak Down Test

Engine Family Facets

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

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

77-84 GM C-Body Cylinder Head

77-84 GM C-Body Cylinder Head | Speedway Motors

Shop 77-84 GM C-Body Cylinder Head and get Free Shipping on orders over $175 at Speedway Motors, the Racing and Rodding Specialists. 77-84 GM C-Body Cylinder Head in-stock with same-day shipping.

Mr Gasket 5788G Ultra-Seal Head Gasket, Oldsmobile 330-455, 4.23 Inch

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Compressed Thickness

Gasket Material

MFG. Part #

GTIN Code

Bore Size

4.230" Bore Size, Steel core laminate Gasket Material

P-Ayr 3126 Plastic Foam Ardun OHV Mock Up Head/Valve Covers

Universal Fit

Lisle Corporation 19700 Air Valve Holder, 14mm / 18mm, 12 Inch

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Thread Pitch (2)

M14 x 1.25 Thread Pitch, 12" Hose Length

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77-84 GM C-Body Cylinder Head

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Mr Gasket 5788G Ultra-Seal Head Gasket, Oldsmobile 330-455, 4.23 Inch

P-Ayr 3126 Plastic Foam Ardun OHV Mock Up Head/Valve Covers

Lisle Corporation 19700 Air Valve Holder, 14mm / 18mm, 12 Inch