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5.3 Upgrade + Cam

5.3 LS cam kits

Start here for a 5.3 LS cam swap. Watch the comparison videos, review the install guide, then choose a preselected complete kit or build your own cam kit one part at a time.

Camshaft Videos

Camshaft comparison and selection videos

Watch these videos to compare camshaft profiles and see how each cam affects horsepower, torque, idle quality, and the usable power curve on a 5.3 LS.

These cam kits are organized to include the parts needed for a complete cam swap, from the front timing cover gasket to the crank bolt.

5.3 LS cam dyno results

Dyno testing that compares horsepower, torque, and street behavior before selecting a 5.3 cam kit.

5.3 LS cam comparison

Camshaft testing that compares LS cam behavior, power gains, and where the torque curve changes.

Camshaft Kit

Sloppy Stage 2 Cam Kit

A budget-friendly 5.3 cam package with simple supporting-part choices.

BTR Camshaft

BTR Truck Norris Cam Kit

A BTR Truck Norris cam path for 5.3 owners who want torque, sound, street manners, and a matched spring/pushrod setup.

COMP Cams

COMP Cams 54-458-11 Cam Kit

A named COMP Cams 54-458-11 option with the supporting parts needed for a complete 5.3 cam swap.

Choose Each Part

Build your own 5.3 cam kit

Use this when you want to pick the camshaft, springs, seals, pushrods, front gasket parts, crank bolt, and assembly supplies separately.

Camshaft Install Videos

Watch how an LS cam swap is done before buying tools.

These videos show the camshaft swap process, the parts that come off the engine, and what changes when the engine is still in the vehicle.

LS camshaft swap overview

This video shows the major parts removed and replaced during a camshaft swap so the whole job is easier to picture before starting.

Note: this walkthrough is easier to see than a real in-car install. If the engine is still in the vehicle, access will be tighter.

Real-world LS cam install guide

This video gives a more realistic look at the time, access, patience, and tool planning needed for a camshaft install.

Use this as the practical reference before deciding what tools and support parts to order.

Cam Swap Tools

Tools needed to install a complete camshaft kit.

After choosing a cam kit, plan the tools needed for the front drive, valve springs, fasteners, and reassembly supplies.

Harmonic balancer puller tool kit product image Front Drive

Balancer puller

Used to remove the harmonic balancer without damaging the crank snout or front seal area.

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Harmonic balancer installer tool product image Front Drive

Balancer installer

Used to reinstall the harmonic balancer straight and controlled without hammering it onto the crankshaft.

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LS valve spring compressor tool product image Valvetrain

Valve spring compressor

Needed to swap valve springs and seals while keeping the valve controlled in the cylinder head.

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3/8-inch torque wrench product image Fasteners

3/8-inch torque wrench

Important for tightening front cover, rocker, cam retainer, and other smaller cam-swap hardware correctly.

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Cordless impact gun product image Power Tool

Impact gun

Helpful for removing stubborn bolts and speeding up disassembly. Use a torque wrench, not an impact, for final tightening.

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Basic mechanic socket set product image Access

Basic socket set

A basic socket set is one of the main tool starting points for removing front-drive parts, covers, brackets, and general LS hardware.

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Black impact socket set product image Access

Impact socket set

Impact sockets are built for use with an impact gun and are the safer choice for stubborn LS hardware and crank bolt work.

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Engine assembly lube product image Supplies

Assembly lube

Clevite assembly lube for lubricating cam journals, timing components, lifters, pushrods, and rocker contact points during reassembly.

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Automotive gasket sealer product image Supplies

Gasket sealer

Gasket sealer for sealing the areas that need extra help during front cover, timing cover, or related engine reassembly work.

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Prefer To Choose Each Part?

Build your own cam kit.

If you do not want a preselected kit, choose each cam swap part separately.

Build your own kit
Configured for 5.3L Gen III LS engines.

Our Promise

Quality LS parts at a good price.

Champ Motorsports is built around dependable parts, clear LS fitment guidance, and fair pricing. Every recommendation is organized to make LS engine building easier to plan and easier to order correctly.

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