An LS cam swap can yield big power gains. And, you can do it at home. Here's how...

Install Guide: Upgrading a 5.3 LS With a Cam Swap

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 the basics to engine performance like; how does a cam work? What is Valve lift, duration, lobe separation angle, and cam profiles? Afterwords selecting the right camshaft will be less of a guessing game!

Camshaft Specifications and Terminology

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

GM Body Styles

A guide on repairing holes in just about anything metal including firewalls, floors and frames. See how to patch holes using our body repair patch panel kit.

How to use Body Repair Patch Kit and What you need

After installing a new cam in a LQ4 6.0 motor, it is now time to swap the lifters. Follow this step by step guide on how to prep and install LS7 roller lifters.

LS7 Lifter Swap Guide

Decode, ID, and upgrade your GM 12-bolt rear end. Learn axle specs, gear ratios, and best performance parts upgrades.

GM 12-Bolt Rear End Identification & Upgrade Guide

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

Our new 78-88 GM Metric Chassis kits give the builder an all new kit, ready for assembly. Speedway Motors also carries everything else from suspension, body panels all the way to the engine to put your new Hobby Stock or Stock Car on the track.

1978-88 GM Metric Chassis Hobby & Stock Car Build Lists

Picking a proper camshaft for your project can rapidly deteriorate into chaos. So many possibilities. Want a little advice? Click here!

Pick The Right Camshaft For Your Project

Engine Family Facets

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GM F-Body Pontiac V8 Small-Journal 317 Camshaft and Lifter Kits

GM F-Body Pontiac V8 Small-Journal 317 Camshaft and Lifter Kits | Speedway Motors

Shop GM F-Body Pontiac V8 Small-Journal 317 Camshaft and Lifter Kits and get Free Shipping on orders over $175 at Speedway Motors.

COMP Cams K51-600-5 Thumpr Hydraulic Camshaft Kit, Pontiac V8

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Camshaft Type

Lifter Type

RPM Range

Intake Duration

Exhaust Duration

Intake Duration (.050" Lift)

Exhaust Duration (.050" Lift)

External Ignition Box Required

Gaskets Included

Timing Chain and Gears Included

Lifters Included

Valve Spring Included

Retainers Included

Locks Included

Assembly Lubricant Included

Valve Stem Seals Included

Lobe Separation

GTIN Code

Valve Springs Required

Exhaust Valve Lift w/ Rocker Arm Ratio

Grind Number

Intake Valve Lift w/ Rocker Arm Ratio

MFG. Part #

Rocker Arms Included

Pushrods Included

Hydraulic Flat Tappet Camshaft Type, Lifters Included

COMP Cams K51-223-4 Xtreme Energy Hydraulic Camshaft Kit, Pontiac V8

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GM F-Body Pontiac V8 Small-Journal 317 Camshaft and Lifter Kits

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COMP Cams K51-600-5 Thumpr Hydraulic Camshaft Kit, Pontiac V8

COMP Cams K51-223-4 Xtreme Energy Hydraulic Camshaft Kit, Pontiac V8