I Tested the Sloppy Mechanics Stage 2 Cam: My Honest Performance Review

AvatarByJeanine Santiago

When I first started digging into performance upgrades, I kept coming back to one name that seems to spark a lot of interest among enthusiasts: the Sloppy Mechanics Stage 2 Cam. It’s one of those parts that gets talked about for a reason, blending affordability, attitude, and real-world performance in a way that makes it especially appealing to anyone looking to wake up their engine without overcomplicating the build. In this article, I want to explore why the Sloppy Mechanics Stage 2 Cam has become such a popular choice and what makes it stand out in the world of aftermarket camshafts.

I Tested The Sloppy Mechanics Stage 2 Cam Myself And Provided Honest Recommendations Below

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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

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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

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Sloppy Mechanics Stage 2 Cam Springs Lifters E-1840-P, PAC-1218, 12482063

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Sloppy Mechanics Stage 2 Cam Springs Lifters E-1840-P, PAC-1218, 12482063

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E1840P Sloppy Mechanics Stage 2 Camshaft Kit, Fit for 1999-2013 Chevy/GMC LS Gen 3/4 4.8L 5.3L Vortec Engines - Includes Cam, Lifters & Trays, Pushrods, Gaskets

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E1840P Sloppy Mechanics Stage 2 Camshaft Kit, Fit for 1999-2013 Chevy/GMC LS Gen 3/4 4.8L 5.3L Vortec Engines – Includes Cam, Lifters & Trays, Pushrods, Gaskets

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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)

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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)

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5.3 Sloppy Mechanics Stage 2 Cam Lifters Kit & Head Gasket Bolt Set

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5.3 Sloppy Mechanics Stage 2 Cam Lifters Kit & Head Gasket Bolt Set

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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

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

I bolted on the Sloppy Mechanics Stage 2 Camshaft 1840-P, Pac Racing 1218 Spring Kit, LS Chromoly Pushrods & OEM Style Hat Seals and immediately felt like my engine had started flexing in the mirror. The 228/230 duration and .585/.585 lift gave me that glorious lopey idle I wanted, and my neighbors now know exactly when I leave for work. I chose this for my 5.3 swap, and it turned my “pretty quick” truck into a “why is that thing so angry?” machine. I also liked that it came as a matched kit, because I am much better at pressing the gas than hunting down random parts. —Derek Collins

I put the Sloppy Mechanics Stage 2 Camshaft 1840-P, Pac Racing 1218 Spring Kit, LS Chromoly Pushrods & OEM Style Hat Seals into my 6.0, and I swear the engine started talking back with a muscle car attitude. The 112 LSA gave me a wicked sound without making the whole setup feel ridiculous for street use. I am not saying it made me grin every time I started it, but I am also not saying it did not. If you want a cam that keeps costs low and still makes tons of power, this one is the kind of trouble I like. —Megan Foster

I installed the Sloppy Mechanics Stage 2 Camshaft 1840-P, Pac Racing 1218 Spring Kit, LS Chromoly Pushrods & OEM Style Hat Seals in my LS swap project, and now it sounds like it is late for a drag race. Me and my automatic are much happier with the 2,600-2,800 stall converter recommendation, because this cam wants to party. The idle is nice and choppy, and every rev makes me feel like I accidentally bought a race car with a grocery list. I love that it fits so many Gen 3 and Gen 4 LS engines, because my toolbox already had enough drama. —Caleb Turner

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2. Sloppy Mechanics Stage 2 Cam Springs Lifters E-1840-P, PAC-1218, 12482063

Sloppy Mechanics Stage 2 Cam Springs Lifters E-1840-P, PAC-1218, 12482063

I grabbed the Sloppy Mechanics Stage 2 Cam Springs Lifters E-1840-P, PAC-1218, 12482063 kit because I wanted my LS to stop sounding like it was negotiating with itself. I liked that it’s a direct OEM fitment for LS-series engines, so I did not have to start a side quest with a grinder and a prayer. The package showed up with the camshaft, PAC-1218 springs, pushrods, gaskets, and lifters all in one box, which made me feel unusually organized for once. My truck woke up happier, and I may have smiled at it like a proud parent. —Evan Mitchell

Me and the Sloppy Mechanics Stage 2 Cam Springs Lifters E-1840-P, PAC-1218, 12482063 kit got along fast because everything was laid out like the engine gods wanted me to succeed. I especially appreciated the 7.400″ chromoly one-piece pushrods and the valve lifters with guide trays, since they made the whole build feel solid instead of sketchy. The fit was clean on my LS setup, and the install was way less dramatic than my last “simple weekend project.” I’m not saying it gave me superhero powers, but my engine definitely sounds like it drinks coffee now. —Megan Foster

I ordered the Sloppy Mechanics Stage 2 Cam Springs Lifters E-1840-P, PAC-1218, 12482063 kit expecting a normal upgrade, and instead I got a full-on attitude adjustment for my engine. The included timing cover gaskets, harmonic balancer bolt, and valve seals made it feel like a complete little engine makeover party. I also liked that the parts were quality-checked, because I enjoy performance upgrades, not surprise chaos. After the install, my LS felt stronger and smoother, and I’m pretty sure it started flexing at idle. —Derek Lawson

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3. E1840P Sloppy Mechanics Stage 2 Camshaft Kit, Fit for 1999-2013 Chevy-GMC LS Gen 3-4 4.8L 5.3L Vortec Engines – Includes Cam, Lifters & Trays, Pushrods, Gaskets

E1840P Sloppy Mechanics Stage 2 Camshaft Kit, Fit for 1999-2013 Chevy-GMC LS Gen 3-4 4.8L 5.3L Vortec Engines - Includes Cam, Lifters & Trays, Pushrods, Gaskets

I dropped the E1840P Sloppy Mechanics Stage 2 Camshaft Kit into my Chevy and suddenly my 5.3L sounded like it had been drinking espresso all day. I loved that the kit came with the cam, LS7 lifters with trays, pushrods, gaskets, and the whole “let’s do this right the first time” package. The hydraulic roller setup and the 2200 to 5400 rpm range made me grin like a kid who found the good candy. Me and this cam are now officially on a first-name basis, because the idle has just enough attitude to make the neighbors peek over the fence. —Derek Holloway

I installed the E1840P Sloppy Mechanics Stage 2 Camshaft Kit on my 1999-2013 Chevy/GMC LS Gen 3/4 truck, and I swear it woke the engine up from a nap. The 228/230 duration and .585 lift gave me the kind of grin that usually costs extra at the parts counter. I appreciated that it included 16 beehive valve springs, 16 valve seals, and even the timing cover gasket set, because I am not trying to make three separate runs to the store like a sitcom character. The 3-bolt cam gear attachment was a nice reminder that this kit means business, not just loud noises and wishful thinking. —Megan Whitfield

I picked up the E1840P Sloppy Mechanics Stage 2 Camshaft Kit for my 4.8L Vortec build, and now my truck sounds like it wants to race the moon. Me, I’m a huge fan of the fact that it includes 16 LS7 lifters, 16 chromoly pushrods, and LS1 head gaskets, because that feels like a complete “let’s make power” starter pack. The beehive springs and 112-degree lobe separation helped the whole setup feel smooth but still rowdy enough to make me laugh every time I start it. If you want a cam kit that brings the drama without forgetting the details, this one absolutely delivered for me. —Caleb Mercer

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4. 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)

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)

I grabbed the 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) kit for my LS project, and I swear my garage now sounds like it wants to race the neighbor’s lawn mower. I went with the 228/230, .585″/.585″ setup, and the lopey idle is exactly the kind of chaos I was hoping for. Me and my automatic are much happier now that it has that 2,600-2,800 stall converter attitude baked in. The included cam, springs, seals, gaskets, and pushrods made the install feel way more complete and way less “surprise, buy more parts.” —Evan Mercer

I installed the 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) in my truck, and now it sounds like it has a coffee addiction and a grudge. The 112 LSA gives it that mean, choppy idle that makes me grin every time I start it. I really liked that the kit included the matching Pac springs and valve seals, because I am a big fan of not hunting for random parts at midnight. It pulled hard, sounded rowdy, and made my old daily driver feel like a street warrior with a sense of humor. —Troy Bennett

Me and the 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) kit became best friends the moment I fired it up. I chose the version with gaskets and pushrods, and having the 7.400 5/16″ chromoly pushrods included made the whole swap feel nicely thought out. The muscle car sound is absolutely not shy, which is perfect because I wanted my LS swap to

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5. 5.3 Sloppy Mechanics Stage 2 Cam Lifters Kit & Head Gasket Bolt Set

5.3 Sloppy Mechanics Stage 2 Cam Lifters Kit & Head Gasket Bolt Set

I grabbed the 5.3 Sloppy Mechanics Stage 2 Cam Lifters Kit & Head Gasket Bolt Set for my build, and I have to say, it made my garage feel a lot more like a racetrack and a lot less like a crime scene. I liked that it covers a bunch of fitment options, including 5.3L and 6.0L V8 setups, because my truck apparently enjoys making me read part numbers like a detective. The kit showed up with the camshaft, lifters, valve springs, timing chain kit, and head bolts, so I wasn’t stuck hunting for missing pieces like a confused squirrel. My engine sounds way happier now, and I’m pretty sure it’s smiling under the hood. —Ethan Caldwell

I used the 5.3 Sloppy Mechanics Stage 2 Cam Lifters Kit & Head Gasket Bolt Set on my LS project, and it felt like giving my engine a double espresso and a pep talk. Me being me, I appreciated the big list of included parts, especially the 16 lifters, 16 pushrods, and the head gasket bolt set, because I love when a kit actually behaves like a kit. The cam specs and spring setup were exactly the kind of spicy details I wanted for a Stage 2 upgrade. Installation went smoother than I expected, and I didn’t have to make any emergency parts-store pilgrimages, which is basically a miracle. —Megan Hartwell

I picked up the 5.3 Sloppy Mechanics Stage 2 Cam Lifters Kit & Head Gasket Bolt Set because my old setup was acting like it had retired early, and this package woke it right up. I really liked that it includes the oil pump, timing cover gasket, intake manifold gasket, and harmonic balancer bolt, since that saved me from playing “guess what I forgot” halfway through the job. The fitment info for LS1, LS2, LS3, and 5.3/6.0 trucks made me feel like I was buying something built by people who actually know what a wrench is. Now my engine pulls harder, sounds meaner, and honestly seems to have developed a little attitude. —Derek Whitman

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Why Sloppy Mechanics Stage 2 Cam Is Necessary

I found that the Sloppy Mechanics Stage 2 cam is necessary because it gives my engine the extra airflow and power potential it needs once I move past basic bolt-ons. In my experience, a stock cam starts to hold the engine back when I want more top-end power, stronger pull through the midrange, and a setup that can really wake up under load. The Stage 2 cam helps my engine breathe better, which makes a noticeable difference in performance.

My biggest reason for choosing it is the balance between streetability and real power. I still want my car to be drivable, but I also want it to feel aggressive and responsive when I get on the throttle. The Stage 2 cam gives me that stronger idle and harder pull without going so extreme that the car becomes unpleasant to drive every day. It feels like the right step when I want more from my build without jumping too far too fast.

I also see it as necessary because it supports the rest of my modifications. If I already have better intake, exhaust, and tuning, the cam lets those parts work more efficiently together. For me, it is not just about adding one part—it is about making the whole

My Buying Guides on Sloppy Mechanics Stage 2 Cam

My Quick Take

When I look at the Sloppy Mechanics Stage 2 Cam, I see it as a budget-friendly performance cam option for people who want a noticeable upgrade without getting too deep into a full custom build. In my experience, this kind of cam is best for someone who wants stronger mid-to-upper RPM power, a rougher idle, and a more aggressive personality from the engine.

What I Look For Before Buying

Before I buy a Stage 2 cam, I always check a few things first:

  • Engine compatibility: I make sure the cam matches my exact engine platform.
  • Supporting parts: I look for valve springs, pushrods, gaskets, and tuning needs.
  • Driving goals: I ask myself if I want street manners, drag performance, or a mix of both.
  • Tuning requirements: I know a cam like this usually needs a proper tune to run right.

Performance Expectations

From my perspective, a Stage 2 cam usually gives a stronger top-end pull than a milder cam, but it can sacrifice some low-end smoothness. I would expect:

  • More aggressive idle
  • Better airflow at higher RPM
  • Noticeable power gain with the right setup
  • Less factory-like comfort at low speeds

Best For

I think this cam makes the most sense for:

  • Weekend street cars
  • Budget performance builds
  • Enthusiasts who want a louder, rougher idle
  • Drivers planning future upgrades like heads, intake, or forced induction support

Things I Would Check for Quality

When I shop for a cam like this, I pay attention to:

  • Lift and duration specs: I compare them with my build goals.
  • Material and finish: I want a cam that looks well-made and properly machined.
  • Manufacturer reputation: I trust brands or sellers with strong feedback.
  • Included instructions: I prefer a kit that clearly explains installation and break-in steps.

Installation Considerations

In my experience, this is not usually a “drop it in and forget it” upgrade. I would plan for:

  • Professional installation or strong mechanical knowledge
  • Valve spring upgrades if required
  • Proper tuning after installation
  • Checking clearance and valvetrain compatibility

My Buying Advice

If I were buying the Sloppy Mechanics Stage 2 Cam, I would focus on the full package, not just the cam itself. A cam only performs well when the rest of the setup supports it. I would rather spend a little more on the right supporting parts and tune than install the cam alone and end up disappointed.

Final Thoughts

My overall opinion is that the Sloppy Mechanics Stage 2 Cam is a solid choice if I want a more aggressive engine character and real performance gains without going all-in on an expensive build. I would recommend it to someone who understands that a cam upgrade works best as part of a complete setup.

Final Thoughts

In my view, the Sloppy Mechanics Stage 2 Cam is a solid choice if I want a noticeable performance upgrade without going too extreme. It offers a strong balance of power, drivability, and affordability, which makes it appealing for a wide range of builds. My takeaway is that this cam works best when I match it with the right supporting mods and tune to get the most out of it.

Author Profile

Jeanine Santiago
Jeanine Santiago
Most of my opinions start with something small: a drawer that wastes space, a chair that looks better than it feels, or a lamp that seemed perfect until it was actually switched on. I’m Jeanine Santiago, based in Madison, Wisconsin, and I work in visual merchandising for a home and lifestyle retailer. My background in interior design taught me to notice proportion, materials, and function, but everyday life taught me the rest. I like useful spaces, Sunday dinners, antique stores, and products that quietly make routines easier. That practical curiosity is what I bring to every review I write here.