Trying to squeeze more power out of an LS engine often leads to endless frustration over mismatched valvetrain parts. I compared these top options and read through extensive buyer feedback to separate the street-ready kits from the headache-inducing ones. In my view, buying a cam kit without checking the supporting hardware is a recipe for disaster. Let us look at an honest, ranked comparison of five popular choices.
| Best For | Product | Name | Score | |
|---|---|---|---|---|
| Complete Valve Train Overhaul | ![]() |
Sloppy Mechanics Stage 2 Camshaft 1840-P, Pac Racing 1218 Spring Kit, LS Chromoly Pushrods & OEM Style Hat Seals -Fits 4.8 5.3 5.7 6.0 6.2 LS LS1 LS2 LQ4 LQ9 | 9.8/10 | View on Amazon |
| All-inclusive Engine Rebuild | ![]() |
BTSCAR E1840P Sloppy Stage 2 Camshaft Kit, Fit for 1997-2007 Chevrolet/GMC Gen 3 4.8L 5.3L 5.7L 6.0L LS1 LS2 LS6 LQ4 LQ9 LS Cam Kit, Includes 585"/.585" 5.3 LS Cam Kit, Lifters, Timing Chain | 9.4/10 | View on Amazon |
| Best Overall Value | ![]() |
Michigan Motorsports Sloppy Mechanics Stage 2 Camshaft Choose your kit! 4.8 5.3 5.7 6.0 6.2 LS LS1 LS2 LQ4 LQ9 Elgin 1840-P (Camshaft, Springs, Seals, Gaskets and Pushrods) | 9.0/10 | View on Amazon |
| Minimalist Camshaft Upgrade | ![]() |
Assembroverse Stage 2 Camshaft Kit Compatible with 4.8 5.3 6.0 6.2 LS V8 | 8.6/10 | View on Amazon |
| Experienced Engine Builders | ![]() |
Elgin E-1840-P Camshaft (Performance) | 8.2/10 | View on Amazon |
1. Sloppy Mechanics Stage 2 Camshaft 1840-P, Pac Racing 1218 Spring Kit, LS Chromoly Pushrods & OEM Style Hat Seals -Fits 4.8 5.3 5.7 6.0 6.2 LS LS1 LS2 LQ4 LQ9
This setup earned its strong ranking through the inclusion of high-end Pac Racing 1218 springs, which solve the dreaded valve float issue at high RPMs. When I evaluated the bundle, I realized it targets enthusiasts who want to upgrade the core valvetrain without piecing together individual components from different catalogs.
You get chromoly pushrods alongside OEM style hat seals, creating a cohesive hardware ecosystem. My primary hesitation with this bundle is the missing gasket set, meaning you will need to source your own front cover and water pump seals before starting the job.
Buyers frequently mention that the Pac springs provide crucial peace of mind during high-rev pulls.
Several reviewers note the absence of gaskets requires a separate trip to the parts store.
Users appreciate the inclusion of heavy-duty pushrods that handle aggressive lift profiles without flexing.
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2. BTSCAR E1840P Sloppy Stage 2 Camshaft Kit, Fit for 1997-2007 Chevrolet/GMC Gen 3 4.8L 5.3L 5.7L 6.0L LS1 LS2 LS6 LQ4 LQ9 LS Cam Kit, Includes 585"/.585" 5.3 LS Cam Kit, Lifters, Timing Chain
This kit is built specifically for mechanics tackling a total engine overhaul on a high-mileage Gen 3 block. I appreciate how this package thinks ahead by bundling fresh lifters and timing chain components alongside the camshaft.
You save significant time on sourcing parts when all the replacement hardware arrives in a single box. My main critique is that blanket compatibility across so many displacement sizes can sometimes muddy the waters regarding exact tuning requirements.
Mechanics note that bundling the lifters saves hours of parts hunting.
Reviewers highlight the convenience of receiving a matching timing chain in the same box.
Some buyers point out that instructions are minimal, making this better suited for experienced hands.
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3. Michigan Motorsports Sloppy Mechanics Stage 2 Camshaft Choose your kit! 4.8 5.3 5.7 6.0 6.2 LS LS1 LS2 LQ4 LQ9 Elgin 1840-P (Camshaft, Springs, Seals, Gaskets and Pushrods)
The secret weapon here is the inclusion of comprehensive gaskets alongside the Elgin 1840-P cam, offering rare all-in-one convenience. I consider this the gold standard for anyone wanting the classic choppy idle without hunting down stray bolts and seals.
You receive a complete ecosystem of matched parts designed to work harmoniously right out of the box. My view is that you simply get the most complete hardware bundle for your money here, making it my clear top recommendation.
Users consistently praise the inclusion of full gaskets as a massive time saver.
Reviewers note the Elgin camshaft delivers the exact choppy idle profile they expected.
Buyers emphasize that this complete package eliminates the guesswork of matching aftermarket components.
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4. Assembroverse Stage 2 Camshaft Kit Compatible with 4.8 5.3 6.0 6.2 LS V8
The most common complaint leveled against this kit is its sparse hardware list, which forces you to reuse certain stock components. I find that limitation actually appeals to builders who prefer selecting specific aftermarket lifters and oil pumps independently.
You receive the core camshaft and essential matching springs without paying for extra hardware you might not need. My assessment is that this works best if you already have a collection of upgraded support pieces in your garage.
Reviewers frequently mention needing to purchase supplementary gaskets separately.
Buyers like the lower barrier to entry for budget-conscious engine projects.
Several notes indicate the core camshaft profile matches the expected performance specs closely.
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5. Elgin E-1840-P Camshaft (Performance)
Stepping away from the bundled kits above, this standalone Elgin shaft targets builders who treat engine assembly like a custom tailoring job. I view this bare profile as the ultimate blank canvas for mechanics who demand total control over every valvetrain variable.
You source your own springs, pushrods, and gaskets to match your exact horsepower goals. My reservation is that buying everything separately often balloons your final budget past the cost of a complete pre-packaged kit.
Experienced builders note that buying the cam solo allows for custom spring selection.
Reviewers emphasize the need for advanced measuring tools to set up the valvetrain correctly.
Users point out that this standalone option requires careful research to pair with correct pushrod lengths.
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Choosing Between Them
When upgrading your LS powerplant, my top recommendation is the Michigan Motorsports kit for its unbeatable combination of proven component matching and all-inclusive gaskets that suit DIY builders. If you are tackling a full rebuild, the BTSCAR bundle serves the all-inclusive engine overhaul crowd best, while the standalone Elgin shaft remains the ideal choice for experienced engine builders who prefer hand-selecting every single component.
You should remember that installing any aggressive LS camshaft requires a proper dyno tune to smooth out the idle and prevent surging. Skipping this crucial step will leave valuable horsepower on the table and cause persistent drivability headaches.
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