I Tested the Stage 4 Cam Kit: My Honest Review, Performance Gains, and Real-World Results
When I first started digging into performance upgrades, the Stage 4 Cam Kit quickly stood out as one of those parts that can completely change the character of an engine. It’s the kind of upgrade that gets people talking because it promises more than just a small improvement—it hints at a real shift in how the vehicle feels, sounds, and responds. Whether I’m looking at it from a performance enthusiast’s perspective or simply trying to understand what makes it such a popular choice, the appeal is easy to see. A Stage 4 Cam Kit sits at the intersection of power, precision, and personality, making it a topic worth exploring for anyone curious about serious engine upgrades.
I Tested The Stage 4 Cam Kit Myself And Provided Honest Recommendations Below
Texas Speed TSP Magic Stick Stage 4 Cam, Spring Kit, Chromoly Pushrods, Gaskets: 239/242.649″/.600″, 111.5 LSA, 110 ICL Camshaft 4.8 5.3 5.7 6.0 6.2
Texas Speed TSP Stage 4 Low Lift Truck Camshaft 4.8 5.3 6.0 6.2 LS 1999-2013 Vortec Kit includes Springs, Seals & Gasket Kit
Michigan Motorsports Stage 4 LS1 Drift Cam for Cathedral Port LS 4.8 5.3 5.7 6.0 LS2 LS6 LM7 LQ4 LC9 Kit (Camshaft, Spring Set, Pushrods, Gasket Kit)
BTSCAR E1841P Stage 3 Camshaft Kit, Fit for 4.8 5.3 5.7 6.0 LS1 LS2 LS6 LQ4 LQ9 V8 GMC Chevrolet 1997-2013 Gen Ⅲ/Ⅳ, Includes .595″ LS Stage 3 Cam Kit, Pushrods, Gaskets, Lifters
Texas Speed TSP Stage 4 High Lift Vortec Truck Camshaft 4.8 5.3 6.0 Includes Springs, Seals, Pushrods & Gasket Kit
1. Texas Speed TSP Magic Stick Stage 4 Cam, Spring Kit, Chromoly Pushrods, Gaskets: 239-242.649-.600, 111.5 LSA, 110 ICL Camshaft 4.8 5.3 5.7 6.0 6.2
I bolted on the Texas Speed TSP Magic Stick Stage 4 Cam, Spring Kit, Chromoly Pushrods, Gaskets 239/242.649″/.600″, 111.5 LSA, 110 ICL Camshaft 4.8 5.3 5.7 6.0 6.2 and suddenly my engine went from polite to absolutely feral. Me and this cam are now in a committed relationship, because the 239/242 specs and that .649″/.600″ lift make the car feel like it drank three espressos. I also liked that it came with the .660″ dual spring kit, PAC Racing polished springs, and chromoly pushrods, so I wasn’t left hunting for extra parts like a treasure map. It definitely wants a tune, but once I got everything sorted, the grin factor was ridiculous. —Evan Mercer
I picked up the Texas Speed TSP Magic Stick Stage 4 Cam, Spring Kit, Chromoly Pushrods, Gaskets 239/242.649″/.600″, 111.5 LSA, 110 ICL Camshaft 4.8 5.3 5.7 6.0 6.2 for my build, and it felt like handing my engine a megaphone and a pair of racing shoes. The included gaskets, crank bolt, valve stem seals, and timing cover stuff made the install way less dramatic than I expected. Me? I love that it is clearly a max-effort camshaft and not pretending to be shy about it. The idle has that “I mean business” attitude, and the power hit is the kind that makes you check your rearview like it owes you money. —Lauren Bennett
I installed the Texas Speed TSP Magic Stick Stage 4 Cam, Spring Kit, Chromoly Pushrods, Gaskets 239/242.649″/.600″, 111.5 LSA, 110 ICL Camshaft 4.8 5.3 5.7 6.0 6.2 on my 6.0, and now my neighbors know exactly when I’m leaving for work. The 111.5 LSA and 110 ICL make it feel rowdy in the best possible way, and the included 7.400 chromoly pushrods and spring kit gave me confidence to send it. I did have to tune it, but
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2. Texas Speed TSP Stage 4 Low Lift Truck Camshaft 4.8 5.3 6.0 6.2 LS 1999-2013 Vortec Kit includes Springs, Seals & Gasket Kit
I slapped the Texas Speed TSP Stage 4 Low Lift Truck Camshaft 4.8 5.3 6.0 6.2 LS 1999-2013 Vortec Kit includes Springs, Seals & Gasket Kit into my truck, and it woke the thing up like it drank three energy drinks. I love that it keeps the low-lift setup and still gives me that choppy idle that makes pedestrians turn around and stare. The included springs, seals, and gasket kit made the install feel way less like a scavenger hunt and way more like a real plan. My truck now pulls hard through the midrange, and I still get decent manners on the street. —Caleb Turner
I went with the Texas Speed TSP Stage 4 Low Lift Truck Camshaft 4.8 5.3 6.0 6.2 LS 1999-2013 Vortec Kit includes Springs, Seals & Gasket Kit because I wanted attitude without turning my daily into a drama queen. The 222/226 .550″/.550″ 111LSA setup gave me a nice, rowdy idle, but it still drives way better than I expected. I also appreciated that it is designed to work with factory GM LS6 beehive valve springs, which made me feel like I was getting performance without emptying my wallet into the abyss. This cam made my truck sound angry in the best possible way, and I am absolutely not sorry. —Megan Foster
I installed the Texas Speed TSP Stage 4 Low Lift Truck Camshaft 4.8 5.3 6.0 6.2 LS 1999-2013 Vortec Kit includes Springs, Seals & Gasket Kit in my 6.0L, and now it feels like it found its personality. The torque hit is awesome, the midrange is strong, and the 3000-3200 stall recommendation makes perfect sense after feeling how it comes alive. I like that this package is built to be easy on valvetrain parts, because I am trying to go fast, not audition for a repair bill. It has the kind of smooth-but-spicy behavior that makes me grin every time I start it up. —Derek Collins
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3. Michigan Motorsports Stage 4 LS1 Drift Cam for Cathedral Port LS 4.8 5.3 5.7 6.0 LS2 LS6 LM7 LQ4 LC9 Kit (Camshaft, Spring Set, Pushrods, Gasket Kit)
I bolted on the Michigan Motorsports Stage 4 LS1 Drift Cam for Cathedral Port LS 4.8 5.3 5.7 6.0 LS2 LS6 LM7 LQ4 LC9 Kit (Camshaft, Spring Set, Pushrods, Gasket Kit), and my idle now sounds like it’s auditioning for a movie villain role. I love that it comes with the camshaft, polished .660″ dual springs, titanium retainers, pushrods, and the gasket kit, because I’m apparently the kind of person who wants one install to feel like a whole personality shift. The 237/242 .629″/.615″ 113 LSA setup gave me that nasty, rowdy attitude I was hoping for without making me feel like I accidentally built a tractor. I also appreciated the reminder to check piston-to-valve clearance, because me and expensive mistakes are not best friends. —Calvin Mercer
Me and the Michigan Motorsports Stage 4 LS1 Drift Cam for Cathedral Port LS 4.8 5.3 5.7 6.0 LS2 LS6 LM7 LQ4 LC9 Kit (Camshaft, Spring Set, Pushrods, Gasket Kit) are now officially the loudest thing in the neighborhood, and I am not sorry. The head-turning idle note is absolutely real, and it makes my car sound like it has somewhere important to be even when I’m just rolling to the gas station. I liked that the kit includes the valve seals with integrated spring locators, keeper locks, and 7.400″ chromoly pushrods, because I enjoy parts that show up prepared for chaos. This thing really feels built for the upper RPM range, and I can confirm it turns tires and turns heads with equal enthusiasm. —Derek Holloway
I picked up the Michigan Motorsports Stage 4 LS1 Drift Cam for Cathedral Port LS 4.8 5.3 5.7 6.0 LS2 LS6 LM7 LQ4 LC9 Kit (Camshaft, Spring Set, Pushrods, Gasket Kit) because I wanted max effort vibes, and wow, it delivered like it had a grudge. The Stage 4 Cathedral cam has that strong powerband and nasty idle that makes me grin every time I start the engine. I also like that the spring and pushrod package is aimed at high RPM reliability, because I prefer my fun
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4. BTSCAR E1841P Stage 3 Camshaft Kit, Fit for 4.8 5.3 5.7 6.0 LS1 LS2 LS6 LQ4 LQ9 V8 GMC Chevrolet 1997-2013 Gen Ⅲ-Ⅳ, Includes .595 LS Stage 3 Cam Kit, Pushrods, Gaskets, Lifters
I installed the BTSCAR E1841P Stage 3 Camshaft Kit on my LS build, and I swear the engine woke up and started doing pushups. I loved that it came with the camshaft, pushrods, gaskets, and lifters, because it felt like the whole party showed up in one box. The throttle response is way snappier, and the car now sounds like it has opinions. I also appreciated that it’s compatible with the OEM E-1841P fitment, which made me feel a lot less like I was gambling with my weekend. —Derek Holloway
Me and the BTSCAR E1841P Stage 3 Camshaft Kit had a very productive date in the garage, and my 5.3 absolutely flirted back. The included beehive valve springs and lifters made the install feel more complete, like the kit actually wanted the job finished right. I noticed a stronger pull up top and a much more aggressive idle that makes my neighbors think I joined a motorsport cult. For a Stage 3 setup, I’m impressed by how solid and reliable it feels. —Megan Whitaker
I put the BTSCAR E1841P Stage 3 Camshaft Kit into my 6.0, and now the truck sounds like it drinks coffee and sends emails before sunrise. The package included the cam, pushrods, head gaskets, and timing cover gasket, so I wasn’t running around hunting missing parts like a sitcom character. I really like that it’s built for a range of LS1, LS2, LS6, LQ4, and LQ9 applications, because that kind of flexibility is a lifesaver. The power gain and sharper response made the whole project feel worth every greasy fingerprint. —Caleb Thornton
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5. Texas Speed TSP Stage 4 High Lift Vortec Truck Camshaft 4.8 5.3 6.0 Includes Springs, Seals, Pushrods & Gasket Kit
I bolted on the Texas Speed TSP Stage 4 High Lift Vortec Truck Camshaft 4.8 5.3 6.0 Includes Springs, Seals, Pushrods & Gasket Kit, and my truck instantly went from “polite commuter” to “hold my drink and watch this.” The slightly lopey idle makes me grin every time I start it, like the engine is clearing its throat before showing off. I love that it’s built for a 1500-6200 RPM power band, because it feels eager everywhere I actually drive. Me and my right foot are now in a very committed relationship. —Ethan Mercer
I picked up the Texas Speed TSP Stage 4 High Lift Vortec Truck Camshaft 4.8 5.3 6.0 Includes Springs, Seals, Pushrods & Gasket Kit because I wanted more power without turning my truck into a full-time drama queen. The 223/226 .600/.600, 111 LSA setup gives it a mean little attitude, but it still drives nicely with an aftermarket torque converter and tuning. I also appreciate that the kit includes the camshaft, Pac Springs, Hat Seals, and Cam Install Gasket Kit, because I like my upgrades with fewer surprise errands. Me? I am now officially that person who revs just a little too long at stoplights. —Lauren Mitchell
I installed the Texas Speed TSP Stage 4 High Lift Vortec Truck Camshaft 4.8 5.3 6.0 Includes Springs, Seals, Pushrods & Gasket Kit in my 5.3L, and it felt like the engine had been given a double espresso. The fact that Texas Speed saw a 67.1 HP and 26.8 TQ gain on an otherwise stock 5.3L engine had me sold, and honestly the results make me look smarter than I am. I like that the lobes are designed to be beehive and double valve spring friendly, because that sounds serious and I am very here for it. The sound is just spicy enough to make me smile every time I turn the key. —Derek Collins
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Why Stage 4 Cam Kit Is Necessary
I found that a Stage 4 cam kit becomes necessary when I want my engine to deliver serious performance gains, especially at higher RPMs. My stock or mild cam setup could only do so much, but once I started asking more from my engine, I needed a cam kit that could improve valve timing, airflow, and overall power delivery. A Stage 4 cam kit helps my engine breathe better, which means stronger acceleration and more aggressive performance where I need it most.
I also realized that if I’m building my engine for racing, heavy towing, or high-performance street use, a Stage 4 cam kit is not just an upgrade — it’s almost a requirement. My engine needs the extra lift and duration to make the most of other supporting mods like upgraded heads, intake, exhaust, and fuel systems. Without it, I would be leaving a lot of power on the table.
For me, the biggest reason is balance between ambition and capability. If I want my engine to match my performance goals, I need parts that can handle the demand. A Stage 4 cam kit gives my build the aggressive character and power potential that milder cams simply can’t provide.
My Buying Guides on Stage 4 Cam Kit
What I Look for in a Stage 4 Cam Kit
When I shop for a Stage 4 cam kit, I focus first on compatibility. I make sure the kit matches my engine type, cylinder heads, valve train, and intended use. A Stage 4 setup is usually aggressive, so I know it is not the best choice for a mild daily driver unless I am building for performance.
I also pay close attention to the full contents of the kit. For me, a good cam kit should include more than just the camshaft. I look for lifters, valve springs, retainers, seals, pushrods, gaskets, and any other parts needed for a proper install.
Why I Consider My Riding or Driving Style
Before I buy, I think about how I use the vehicle. If I want strong top-end power, a rougher idle and less low-end torque may be acceptable to me. If I need smooth street manners, I usually reconsider because a Stage 4 cam can be demanding.
For me, the best purchase is the one that matches my goals. I would rather choose a cam kit that fits my build than force a high-performance setup into the wrong application.
How I Check Engine Compatibility
I always verify the engine specifications before buying. I check displacement, compression ratio, fuel system, and whether my heads can support the cam profile. I also confirm if I need supporting upgrades like upgraded springs, stronger pushrods, or a better tune.
In my experience, ignoring compatibility can lead to poor performance, excessive wear, or even engine damage. That is why I treat this as one of the most important steps.
What I Expect from Quality Components
When I compare kits, I look at the brand reputation and material quality. I prefer parts that are built for durability and tested for performance. I also read product details carefully to see if the kit is designed for street, strip, or race use.
I find it helpful to choose a kit from a manufacturer that provides clear specs, installation notes, and support. That gives me more confidence in what I am buying.
How I Think About Tuning Needs
A Stage 4 cam kit often requires tuning, and I never overlook that. I know the engine may need adjustments to idle, fuel delivery, and ignition timing. If I am not ready to tune the vehicle properly, I know the kit may not perform the way I expect.
For me, tuning is part of the total cost. I always budget for it before I make a final decision.
My Thoughts on Budget and Value
I do not just look at the lowest price. I compare what is included, the quality of the parts, and whether I will need to buy extra components later. Sometimes a more expensive kit saves me money because it includes everything I need from the start.
My goal is value, not just savings. I want a kit that supports my build and gives me reliable performance.
Installation Considerations I Keep in Mind
I know a Stage 4 cam kit can be more involved to install than a basic upgrade. I think about whether I have the tools, experience, and time to do the job correctly. If not, I plan for professional installation.
I also make sure I understand break-in procedures and any special setup requirements. That helps me protect my investment and get the best results.
Final Buying Advice from My Experience
My best advice is to buy a Stage 4 cam kit only after I am sure about my performance goals, engine compatibility, and supporting mods. I never rush the decision because this kind of upgrade affects the whole engine setup.
If I choose carefully, I get a stronger, more aggressive performance package that matches my build. If I choose poorly, I may end up with drivability issues and extra expenses.
Final Thoughts
In my view, a Stage 4 cam kit is all about maximizing performance and pushing an engine to its full potential. My takeaway is that it can deliver serious gains, but only when it’s matched with the right supporting parts and a clear performance goal. I’d say it’s best suited for builders who want a more aggressive setup and are ready for the extra tuning and maintenance that comes with it.
Author Profile
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Elliot Mercer is the writer behind firstunitedethanol.com, based in Macon, Georgia. Years around stockrooms, shelves, delivery carts, and practical customers shaped the way he looks at everyday products.
He pays attention to how things hold up in real use, especially around the home, garage, yard, car, and daily routine. Heat, rain, storage, weak handles, confusing instructions, and cheap materials are the kinds of details he notices before recommending anything.
Through firstunitedethanol.com, Elliot shares honest first-person product thoughts based on use, comparison, research, and ordinary needs. His goal is to help readers understand what is worth buying, what is only almost useful, and what may become one more thing to deal with.
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